[INFO] cloning repository https://github.com/milmil7/Track
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/milmil7/Track" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilmil7%2FTrack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilmil7%2FTrack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 323c29498f6636790511a5b8308bf9a8fd497ace
[INFO] checking milmil7/Track against try#ad93f57d532978d6739002a21bc66b45ed22f998 for pr-155418
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilmil7%2FTrack" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/milmil7/Track
[INFO] finished tweaking git repo https://github.com/milmil7/Track
[INFO] tweaked toml for git repo https://github.com/milmil7/Track written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/milmil7/Track on toolchain ad93f57d532978d6739002a21bc66b45ed22f998
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/milmil7/Track already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8124c796b7fcb1f1c5345198e7ef78ed6b5b0a412bd8261e8234c517dd6e9aa5
[INFO] running `Command { std: "docker" "start" "-a" "8124c796b7fcb1f1c5345198e7ef78ed6b5b0a412bd8261e8234c517dd6e9aa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8124c796b7fcb1f1c5345198e7ef78ed6b5b0a412bd8261e8234c517dd6e9aa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8124c796b7fcb1f1c5345198e7ef78ed6b5b0a412bd8261e8234c517dd6e9aa5", kill_on_drop: false }`
[INFO] [stdout] 8124c796b7fcb1f1c5345198e7ef78ed6b5b0a412bd8261e8234c517dd6e9aa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7ac0fe9c7bf6ffcf77a870a1f7da999ad82fc5a3da657182f550aa22aabaa16
[INFO] running `Command { std: "docker" "start" "-a" "c7ac0fe9c7bf6ffcf77a870a1f7da999ad82fc5a3da657182f550aa22aabaa16", kill_on_drop: false }`
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[INFO] [stderr]    Compiling derive_builder_macro v0.11.2
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[INFO] [stderr]    Compiling serde_derive v1.0.219
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[INFO] [stderr]     Checking rustls-webpki v0.103.3
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[INFO] [stderr]     Checking rustyline v16.0.0
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[INFO] [stdout] warning: unused import: `rustyline::completion::unescape`
[INFO] [stdout]  --> src/lexer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rustyline::completion::unescape;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `logos::Span`
[INFO] [stdout]  --> src/parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use logos::Span;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chumsky::text::ident`
[INFO] [stdout]  --> src/parser.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use chumsky::text::ident;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Command_Def` should have an upper camel case name
[INFO] [stdout]    --> src/parser.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 |     Command_Def {
[INFO] [stdout]     |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `CommandDef`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]     --> src/parser.rs:1025:26
[INFO] [stdout]      |
[INFO] [stdout] 1025 |         .map_with_span(|((name), body,),span| Stmt::Command_Def { name, body, span });
[INFO] [stdout]      |                          ^    ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1025 -         .map_with_span(|((name), body,),span| Stmt::Command_Def { name, body, span });
[INFO] [stdout] 1025 +         .map_with_span(|(name , body,),span| Stmt::Command_Def { name, body, span });
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::iter::MinLen`
[INFO] [stdout]  --> src/environment.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rayon::iter::MinLen;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::de`
[INFO] [stdout]  --> src/environment.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::de;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/environment.rs:40:34
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Some(Value::Function((x))) => {
[INFO] [stdout]    |                                  ^ ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -             Some(Value::Function((x))) => {
[INFO] [stdout] 40 +             Some(Value::Function(x )) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `reqwest::Error`
[INFO] [stdout]     --> src/environment.rs:1269:25
[INFO] [stdout]      |
[INFO] [stdout] 1269 |                     use reqwest::Error;
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SystemTime`
[INFO] [stdout]     --> src/environment.rs:1653:49
[INFO] [stdout]      |
[INFO] [stdout] 1653 |                     use std::time::{UNIX_EPOCH, SystemTime};
[INFO] [stdout]      |                                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ArgDef` and `lex`
[INFO] [stdout]   --> src/interptreter.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     lex, parser, ArgDef, BinOp, ExportSpec, Expr, ImportSpec, PatternParser, Redirect, RedirectKind, Stmt, UnOp, BUILTIN_FUNCTIONS_
[INFO] [stdout]    |     ^^^          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections::HashMap` and `ops::Range`
[INFO] [stdout]     --> src/interptreter.rs:2900:13
[INFO] [stdout]      |
[INFO] [stdout] 2900 |             collections::HashMap,
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2901 |             ops::Range,
[INFO] [stdout]      |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustyline::completion::unescape`
[INFO] [stdout]  --> src/lexer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rustyline::completion::unescape;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossterm::event::KeyEvent`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crossterm::event::KeyEvent;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DefaultPrompt`, `EditMode`, `Emacs`, and `default_emacs_keybindings`
[INFO] [stdout]   --> src/main.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | ...::{DefaultPrompt, Reedline, Signal, Completer, Prompt, PromptEditMode, Suggestion, Span, PromptHistorySearch, FileBackedHistory, Emacs, ReedlineEvent, KeyModifiers, KeyCode, default_emacs_keybindings, EditMode, D...
[INFO] [stdout]    |       ^^^^^^^^^^^^^                                                                                                                 ^^^^^                                        ^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stdin`
[INFO] [stdout]   --> src/main.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::io::{BufRead, Stdin, Write};
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::ops::Deref;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Color` and `Style`
[INFO] [stdout]   --> src/main.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 | use nu_ansi_term::{Color, Style};
[INFO] [stdout]    |                    ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `whoami::username`
[INFO] [stdout]    --> src/main.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     use whoami::username;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arboard::Clipboard`
[INFO] [stdout]    --> src/main.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | use arboard::Clipboard;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]    --> src/main.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |     use std::time::Duration; 
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `copypasta::ClipboardProvider`
[INFO] [stdout]    --> src/main.rs:421:5
[INFO] [stdout]     |
[INFO] [stdout] 421 | use copypasta::ClipboardProvider;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossterm::cursor::position`
[INFO] [stdout]    --> src/main.rs:422:5
[INFO] [stdout]     |
[INFO] [stdout] 422 | use crossterm::cursor::position;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `logos::Span`
[INFO] [stdout]  --> src/parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use logos::Span;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chumsky::text::ident`
[INFO] [stdout]  --> src/parser.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use chumsky::text::ident;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Command_Def` should have an upper camel case name
[INFO] [stdout]    --> src/parser.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 |     Command_Def {
[INFO] [stdout]     |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `CommandDef`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]     --> src/parser.rs:1025:26
[INFO] [stdout]      |
[INFO] [stdout] 1025 |         .map_with_span(|((name), body,),span| Stmt::Command_Def { name, body, span });
[INFO] [stdout]      |                          ^    ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1025 -         .map_with_span(|((name), body,),span| Stmt::Command_Def { name, body, span });
[INFO] [stdout] 1025 +         .map_with_span(|(name , body,),span| Stmt::Command_Def { name, body, span });
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::iter::MinLen`
[INFO] [stdout]  --> src/environment.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rayon::iter::MinLen;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::de`
[INFO] [stdout]  --> src/environment.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::de;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/environment.rs:40:34
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Some(Value::Function((x))) => {
[INFO] [stdout]    |                                  ^ ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -             Some(Value::Function((x))) => {
[INFO] [stdout] 40 +             Some(Value::Function(x )) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `reqwest::Error`
[INFO] [stdout]     --> src/environment.rs:1269:25
[INFO] [stdout]      |
[INFO] [stdout] 1269 |                     use reqwest::Error;
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SystemTime`
[INFO] [stdout]     --> src/environment.rs:1653:49
[INFO] [stdout]      |
[INFO] [stdout] 1653 |                     use std::time::{UNIX_EPOCH, SystemTime};
[INFO] [stdout]      |                                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ArgDef` and `lex`
[INFO] [stdout]   --> src/interptreter.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     lex, parser, ArgDef, BinOp, ExportSpec, Expr, ImportSpec, PatternParser, Redirect, RedirectKind, Stmt, UnOp, BUILTIN_FUNCTIONS_
[INFO] [stdout]    |     ^^^          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections::HashMap` and `ops::Range`
[INFO] [stdout]     --> src/interptreter.rs:2900:13
[INFO] [stdout]      |
[INFO] [stdout] 2900 |             collections::HashMap,
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2901 |             ops::Range,
[INFO] [stdout]      |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossterm::event::KeyEvent`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crossterm::event::KeyEvent;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DefaultPrompt`, `EditMode`, `Emacs`, and `default_emacs_keybindings`
[INFO] [stdout]   --> src/main.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | ...::{DefaultPrompt, Reedline, Signal, Completer, Prompt, PromptEditMode, Suggestion, Span, PromptHistorySearch, FileBackedHistory, Emacs, ReedlineEvent, KeyModifiers, KeyCode, default_emacs_keybindings, EditMode, D...
[INFO] [stdout]    |       ^^^^^^^^^^^^^                                                                                                                 ^^^^^                                        ^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stdin`
[INFO] [stdout]   --> src/main.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::io::{BufRead, Stdin, Write};
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::ops::Deref;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Color` and `Style`
[INFO] [stdout]   --> src/main.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 | use nu_ansi_term::{Color, Style};
[INFO] [stdout]    |                    ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `whoami::username`
[INFO] [stdout]    --> src/main.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     use whoami::username;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arboard::Clipboard`
[INFO] [stdout]    --> src/main.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | use arboard::Clipboard;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]    --> src/main.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |     use std::time::Duration; 
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `copypasta::ClipboardProvider`
[INFO] [stdout]    --> src/main.rs:421:5
[INFO] [stdout]     |
[INFO] [stdout] 421 | use copypasta::ClipboardProvider;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossterm::cursor::position`
[INFO] [stdout]    --> src/main.rs:422:5
[INFO] [stdout]     |
[INFO] [stdout] 422 | use crossterm::cursor::position;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp_millis`: use `DateTime::from_timestamp_millis` instead
[INFO] [stdout]     --> src/environment.rs:1795:59
[INFO] [stdout]      |
[INFO] [stdout] 1795 |                     let datetime = chrono::NaiveDateTime::from_timestamp_millis(ts)
[INFO] [stdout]      |                                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::NaiveDateTime::timestamp_millis`: use `.and_utc().timestamp_millis()` instead
[INFO] [stdout]     --> src/environment.rs:1818:45
[INFO] [stdout]      |
[INFO] [stdout] 1818 |                     Ok(Value::Number(parsed.timestamp_millis() as f64))
[INFO] [stdout]      |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp_millis`: use `DateTime::from_timestamp_millis` instead
[INFO] [stdout]     --> src/environment.rs:1795:59
[INFO] [stdout]      |
[INFO] [stdout] 1795 |                     let datetime = chrono::NaiveDateTime::from_timestamp_millis(ts)
[INFO] [stdout]      |                                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::NaiveDateTime::timestamp_millis`: use `.and_utc().timestamp_millis()` instead
[INFO] [stdout]     --> src/environment.rs:1818:45
[INFO] [stdout]      |
[INFO] [stdout] 1818 |                     Ok(Value::Number(parsed.timestamp_millis() as f64))
[INFO] [stdout]      |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]   --> src/main.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::io::{BufRead, Stdin, Write};
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossterm::style::Stylize`
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use crossterm::style::Stylize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/builtin/ls.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::{Write};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/parser.rs:272:33
[INFO] [stdout]     |
[INFO] [stdout] 272 |             Stmt::Command_Def { name, body, span } => {span.clone()},
[INFO] [stdout]     |                                 ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/parser.rs:272:39
[INFO] [stdout]     |
[INFO] [stdout] 272 |             Stmt::Command_Def { name, body, span } => {span.clone()},
[INFO] [stdout]     |                                       ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/parser.rs:951:44
[INFO] [stdout]     |
[INFO] [stdout] 951 |         let cm_stmt = select! { Token::CMT(x) => "" }
[INFO] [stdout]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg_block`
[INFO] [stdout]     --> src/parser.rs:1017:13
[INFO] [stdout]      |
[INFO] [stdout] 1017 |         let arg_block = skip_ws(just(Token::Less))
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arg_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `CMD_keyword`
[INFO] [stdout]     --> src/parser.rs:1091:13
[INFO] [stdout]      |
[INFO] [stdout] 1091 |         let CMD_keyword = skip_ws(just(Token::Command));
[INFO] [stdout]      |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_CMD_keyword`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]   --> src/main.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::io::{BufRead, Stdin, Write};
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossterm::style::Stylize`
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use crossterm::style::Stylize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/builtin/ls.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::{Write};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/environment.rs:1319:39
[INFO] [stdout]      |
[INFO] [stdout] 1319 |                         for (mut key, mut value) in headers.lock().unwrap().clone() {
[INFO] [stdout]      |                                       ----^^^^^
[INFO] [stdout]      |                                       |
[INFO] [stdout]      |                                       help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/environment.rs:1502:33
[INFO] [stdout]      |
[INFO] [stdout] 1502 | ...                   let mut cloned = m.clone();
[INFO] [stdout]      |                           ----^^^^^^
[INFO] [stdout]      |                           |
[INFO] [stdout]      |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/environment.rs:1519:33
[INFO] [stdout]      |
[INFO] [stdout] 1519 | ...                   let mut merged = a.clone();
[INFO] [stdout]      |                           ----^^^^^^
[INFO] [stdout]      |                           |
[INFO] [stdout]      |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]     --> src/environment.rs:1266:44
[INFO] [stdout]      |
[INFO] [stdout] 1266 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]      |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]     --> src/environment.rs:1235:44
[INFO] [stdout]      |
[INFO] [stdout] 1235 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]      |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]     --> src/environment.rs:1214:44
[INFO] [stdout]      |
[INFO] [stdout] 1214 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]      |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]     --> src/environment.rs:1181:44
[INFO] [stdout]      |
[INFO] [stdout] 1181 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]      |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]     --> src/environment.rs:1160:44
[INFO] [stdout]      |
[INFO] [stdout] 1160 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]      |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]     --> src/environment.rs:1145:45
[INFO] [stdout]      |
[INFO] [stdout] 1145 |                 func: NativeFn::from(|_args,env| {
[INFO] [stdout]      |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]     --> src/environment.rs:1118:44
[INFO] [stdout]      |
[INFO] [stdout] 1118 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]      |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]     --> src/environment.rs:1099:44
[INFO] [stdout]      |
[INFO] [stdout] 1099 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]      |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:987:44
[INFO] [stdout]     |
[INFO] [stdout] 987 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:962:44
[INFO] [stdout]     |
[INFO] [stdout] 962 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:942:44
[INFO] [stdout]     |
[INFO] [stdout] 942 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:922:44
[INFO] [stdout]     |
[INFO] [stdout] 922 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:895:44
[INFO] [stdout]     |
[INFO] [stdout] 895 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:867:44
[INFO] [stdout]     |
[INFO] [stdout] 867 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:842:44
[INFO] [stdout]     |
[INFO] [stdout] 842 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:822:44
[INFO] [stdout]     |
[INFO] [stdout] 822 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:793:44
[INFO] [stdout]     |
[INFO] [stdout] 793 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:763:44
[INFO] [stdout]     |
[INFO] [stdout] 763 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:737:44
[INFO] [stdout]     |
[INFO] [stdout] 737 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:712:44
[INFO] [stdout]     |
[INFO] [stdout] 712 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:688:44
[INFO] [stdout]     |
[INFO] [stdout] 688 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:668:44
[INFO] [stdout]     |
[INFO] [stdout] 668 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:651:44
[INFO] [stdout]     |
[INFO] [stdout] 651 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:634:44
[INFO] [stdout]     |
[INFO] [stdout] 634 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:617:44
[INFO] [stdout]     |
[INFO] [stdout] 617 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:599:44
[INFO] [stdout]     |
[INFO] [stdout] 599 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:581:44
[INFO] [stdout]     |
[INFO] [stdout] 581 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:563:44
[INFO] [stdout]     |
[INFO] [stdout] 563 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:545:44
[INFO] [stdout]     |
[INFO] [stdout] 545 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:527:44
[INFO] [stdout]     |
[INFO] [stdout] 527 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:510:44
[INFO] [stdout]     |
[INFO] [stdout] 510 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:485:44
[INFO] [stdout]     |
[INFO] [stdout] 485 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:453:44
[INFO] [stdout]     |
[INFO] [stdout] 453 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:421:44
[INFO] [stdout]     |
[INFO] [stdout] 421 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:403:44
[INFO] [stdout]     |
[INFO] [stdout] 403 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:385:44
[INFO] [stdout]     |
[INFO] [stdout] 385 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:360:44
[INFO] [stdout]     |
[INFO] [stdout] 360 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:331:44
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:307:44
[INFO] [stdout]     |
[INFO] [stdout] 307 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:277:44
[INFO] [stdout]     |
[INFO] [stdout] 277 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:258:44
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:217:44
[INFO] [stdout]     |
[INFO] [stdout] 217 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:194:44
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:169:34
[INFO] [stdout]     |
[INFO] [stdout] 169 |             NativeFn::from(|args,env| {
[INFO] [stdout]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:131:40
[INFO] [stdout]     |
[INFO] [stdout] 131 |             func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:106:40
[INFO] [stdout]     |
[INFO] [stdout] 106 |             func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/environment.rs:1932:9
[INFO] [stdout]      |
[INFO] [stdout] 1932 |         _ => unimplemented!(),
[INFO] [stdout]      |         ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/environment.rs:1932:9
[INFO] [stdout]      |
[INFO] [stdout] 1908 |         serde_json::Value::String(s) => Value::Str(s),
[INFO] [stdout]      |         ---------------------------- matches some of the same values
[INFO] [stdout] 1909 |         serde_json::Value::Number(n) => {
[INFO] [stdout]      |         ---------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1916 |         serde_json::Value::Bool(b) => Value::Bool(b),
[INFO] [stdout]      |         -------------------------- matches some of the same values
[INFO] [stdout] 1917 |         serde_json::Value::Object(map) => {
[INFO] [stdout]      |         ------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1932 |         _ => unimplemented!(),
[INFO] [stdout]      |         ^ ...and 2 other patterns collectively make this unreachable
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/interptreter.rs:291:22
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 for (i, content) in files.iter().enumerate() {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/interptreter.rs:617:15
[INFO] [stdout]     |
[INFO] [stdout] 617 |     ("wipe", |args| {
[INFO] [stdout]     |               ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/parser.rs:272:33
[INFO] [stdout]     |
[INFO] [stdout] 272 |             Stmt::Command_Def { name, body, span } => {span.clone()},
[INFO] [stdout]     |                                 ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/parser.rs:272:39
[INFO] [stdout]     |
[INFO] [stdout] 272 |             Stmt::Command_Def { name, body, span } => {span.clone()},
[INFO] [stdout]     |                                       ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `runtime_command`
[INFO] [stdout]     --> src/interptreter.rs:1228:28
[INFO] [stdout]      |
[INFO] [stdout] 1228 |             Value::Command(runtime_command) => "command",
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/interptreter.rs:2135:13
[INFO] [stdout]      |
[INFO] [stdout] 2135 |             _ => Err(RuntimeError::ExecutionFailed(
[INFO] [stdout]      |             ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/interptreter.rs:2135:13
[INFO] [stdout]      |
[INFO] [stdout] 1398 |               Stmt::Command_Def { name, body, .. } => {
[INFO] [stdout]      |               ------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1404 |               Stmt::Expr { expr, span } => {
[INFO] [stdout]      |               ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1409 | /             Stmt::Let {
[INFO] [stdout] 1410 | |                 name, init, span, ..
[INFO] [stdout] 1411 | |             } => {
[INFO] [stdout]      | |_____________- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1428 | /             Stmt::Set {
[INFO] [stdout] 1429 | |                 name, init, span, ..
[INFO] [stdout] 1430 | |             } => {
[INFO] [stdout]      | |_____________- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2135 |               _ => Err(RuntimeError::ExecutionFailed(
[INFO] [stdout]      |               ^ ...and 20 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/parser.rs:951:44
[INFO] [stdout]     |
[INFO] [stdout] 951 |         let cm_stmt = select! { Token::CMT(x) => "" }
[INFO] [stdout]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg_block`
[INFO] [stdout]     --> src/parser.rs:1017:13
[INFO] [stdout]      |
[INFO] [stdout] 1017 |         let arg_block = skip_ws(just(Token::Less))
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arg_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `CMD_keyword`
[INFO] [stdout]     --> src/parser.rs:1091:13
[INFO] [stdout]      |
[INFO] [stdout] 1091 |         let CMD_keyword = skip_ws(just(Token::Command));
[INFO] [stdout]      |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_CMD_keyword`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/interptreter.rs:1722:25
[INFO] [stdout]      |
[INFO] [stdout] 1722 |                     let mut scope = Environment::new_enclosed(Arc::new(Mutex::new(env.clone())));
[INFO] [stdout]      |                         ----^^^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/interptreter.rs:1738:29
[INFO] [stdout]      |
[INFO] [stdout] 1738 |                         let mut inner = Interpreter { env: Arc::new(Mutex::new(scope.clone())),exports:self.exports.clone() };
[INFO] [stdout]      |                             ----^^^^^
[INFO] [stdout]      |                             |
[INFO] [stdout]      |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/interptreter.rs:1964:21
[INFO] [stdout]      |
[INFO] [stdout] 1964 |                 let mut try_env = self.env.clone();
[INFO] [stdout]      |                     ----^^^^^^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]     --> src/interptreter.rs:1684:35
[INFO] [stdout]      |
[INFO] [stdout] 1684 |                         .map_err(|e| RuntimeError::CommandNotFound(name.to_string(),span.clone()))?;
[INFO] [stdout]      |                                   ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]     --> src/interptreter.rs:1685:60
[INFO] [stdout]      |
[INFO] [stdout] 1685 |                     if let Value::Command(RuntimeCommand { name, body }) = cmd {
[INFO] [stdout]      |                                                            ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `try_env`
[INFO] [stdout]     --> src/interptreter.rs:1964:21
[INFO] [stdout]      |
[INFO] [stdout] 1964 |                 let mut try_env = self.env.clone();
[INFO] [stdout]      |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_try_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]     --> src/interptreter.rs:1994:25
[INFO] [stdout]      |
[INFO] [stdout] 1994 |                     let x = self.execute(block.clone(), span); 
[INFO] [stdout]      |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/interptreter.rs:2170:13
[INFO] [stdout]      |
[INFO] [stdout] 2170 |         let mut module_interpreter = eval_and_return_interpreter(&src,None);
[INFO] [stdout]      |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shell`
[INFO] [stdout]     --> src/interptreter.rs:2788:21
[INFO] [stdout]      |
[INFO] [stdout] 2788 |                 let shell = "bash";
[INFO] [stdout]      |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_shell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `define`
[INFO] [stdout]     --> src/interptreter.rs:3029:17
[INFO] [stdout]      |
[INFO] [stdout] 3029 |             let define = env.define(name.clone(), val.clone());
[INFO] [stdout]      |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_define`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `val` is assigned to, but never used
[INFO] [stdout]     --> src/interptreter.rs:3218:9
[INFO] [stdout]      |
[INFO] [stdout] 3218 |     let mut val = Value::Null;
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_val` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val` is never read
[INFO] [stdout]     --> src/interptreter.rs:3302:18
[INFO] [stdout]      |
[INFO] [stdout] 3302 |             _ => val = value,
[INFO] [stdout]      |                  ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/environment.rs:1319:39
[INFO] [stdout]      |
[INFO] [stdout] 1319 |                         for (mut key, mut value) in headers.lock().unwrap().clone() {
[INFO] [stdout]      |                                       ----^^^^^
[INFO] [stdout]      |                                       |
[INFO] [stdout]      |                                       help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/environment.rs:1502:33
[INFO] [stdout]      |
[INFO] [stdout] 1502 | ...                   let mut cloned = m.clone();
[INFO] [stdout]      |                           ----^^^^^^
[INFO] [stdout]      |                           |
[INFO] [stdout]      |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/environment.rs:1519:33
[INFO] [stdout]      |
[INFO] [stdout] 1519 | ...                   let mut merged = a.clone();
[INFO] [stdout]      |                           ----^^^^^^
[INFO] [stdout]      |                           |
[INFO] [stdout]      |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]     --> src/environment.rs:1266:44
[INFO] [stdout]      |
[INFO] [stdout] 1266 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]      |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]     --> src/environment.rs:1235:44
[INFO] [stdout]      |
[INFO] [stdout] 1235 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]      |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]     --> src/environment.rs:1214:44
[INFO] [stdout]      |
[INFO] [stdout] 1214 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]      |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]     --> src/environment.rs:1181:44
[INFO] [stdout]      |
[INFO] [stdout] 1181 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]      |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]     --> src/environment.rs:1160:44
[INFO] [stdout]      |
[INFO] [stdout] 1160 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]      |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]     --> src/environment.rs:1145:45
[INFO] [stdout]      |
[INFO] [stdout] 1145 |                 func: NativeFn::from(|_args,env| {
[INFO] [stdout]      |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]     --> src/environment.rs:1118:44
[INFO] [stdout]      |
[INFO] [stdout] 1118 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]      |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]     --> src/environment.rs:1099:44
[INFO] [stdout]      |
[INFO] [stdout] 1099 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]      |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:987:44
[INFO] [stdout]     |
[INFO] [stdout] 987 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:962:44
[INFO] [stdout]     |
[INFO] [stdout] 962 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:942:44
[INFO] [stdout]     |
[INFO] [stdout] 942 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:922:44
[INFO] [stdout]     |
[INFO] [stdout] 922 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:895:44
[INFO] [stdout]     |
[INFO] [stdout] 895 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:867:44
[INFO] [stdout]     |
[INFO] [stdout] 867 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:842:44
[INFO] [stdout]     |
[INFO] [stdout] 842 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:822:44
[INFO] [stdout]     |
[INFO] [stdout] 822 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:793:44
[INFO] [stdout]     |
[INFO] [stdout] 793 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:763:44
[INFO] [stdout]     |
[INFO] [stdout] 763 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:737:44
[INFO] [stdout]     |
[INFO] [stdout] 737 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:712:44
[INFO] [stdout]     |
[INFO] [stdout] 712 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:688:44
[INFO] [stdout]     |
[INFO] [stdout] 688 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:668:44
[INFO] [stdout]     |
[INFO] [stdout] 668 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:651:44
[INFO] [stdout]     |
[INFO] [stdout] 651 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:634:44
[INFO] [stdout]     |
[INFO] [stdout] 634 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:617:44
[INFO] [stdout]     |
[INFO] [stdout] 617 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:599:44
[INFO] [stdout]     |
[INFO] [stdout] 599 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:581:44
[INFO] [stdout]     |
[INFO] [stdout] 581 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:563:44
[INFO] [stdout]     |
[INFO] [stdout] 563 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:545:44
[INFO] [stdout]     |
[INFO] [stdout] 545 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:527:44
[INFO] [stdout]     |
[INFO] [stdout] 527 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:510:44
[INFO] [stdout]     |
[INFO] [stdout] 510 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:485:44
[INFO] [stdout]     |
[INFO] [stdout] 485 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:453:44
[INFO] [stdout]     |
[INFO] [stdout] 453 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:421:44
[INFO] [stdout]     |
[INFO] [stdout] 421 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:403:44
[INFO] [stdout]     |
[INFO] [stdout] 403 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:385:44
[INFO] [stdout]     |
[INFO] [stdout] 385 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:360:44
[INFO] [stdout]     |
[INFO] [stdout] 360 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:331:44
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:307:44
[INFO] [stdout]     |
[INFO] [stdout] 307 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:277:44
[INFO] [stdout]     |
[INFO] [stdout] 277 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:258:44
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:217:44
[INFO] [stdout]     |
[INFO] [stdout] 217 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:194:44
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:169:34
[INFO] [stdout]     |
[INFO] [stdout] 169 |             NativeFn::from(|args,env| {
[INFO] [stdout]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:131:40
[INFO] [stdout]     |
[INFO] [stdout] 131 |             func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/environment.rs:106:40
[INFO] [stdout]     |
[INFO] [stdout] 106 |             func: NativeFn::from(|args,env| {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/environment.rs:1932:9
[INFO] [stdout]      |
[INFO] [stdout] 1932 |         _ => unimplemented!(),
[INFO] [stdout]      |         ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/environment.rs:1932:9
[INFO] [stdout]      |
[INFO] [stdout] 1908 |         serde_json::Value::String(s) => Value::Str(s),
[INFO] [stdout]      |         ---------------------------- matches some of the same values
[INFO] [stdout] 1909 |         serde_json::Value::Number(n) => {
[INFO] [stdout]      |         ---------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1916 |         serde_json::Value::Bool(b) => Value::Bool(b),
[INFO] [stdout]      |         -------------------------- matches some of the same values
[INFO] [stdout] 1917 |         serde_json::Value::Object(map) => {
[INFO] [stdout]      |         ------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1932 |         _ => unimplemented!(),
[INFO] [stdout]      |         ^ ...and 2 other patterns collectively make this unreachable
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/interptreter.rs:291:22
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 for (i, content) in files.iter().enumerate() {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/interptreter.rs:617:15
[INFO] [stdout]     |
[INFO] [stdout] 617 |     ("wipe", |args| {
[INFO] [stdout]     |               ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `runtime_command`
[INFO] [stdout]     --> src/interptreter.rs:1228:28
[INFO] [stdout]      |
[INFO] [stdout] 1228 |             Value::Command(runtime_command) => "command",
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/interptreter.rs:2135:13
[INFO] [stdout]      |
[INFO] [stdout] 2135 |             _ => Err(RuntimeError::ExecutionFailed(
[INFO] [stdout]      |             ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/interptreter.rs:2135:13
[INFO] [stdout]      |
[INFO] [stdout] 1398 |               Stmt::Command_Def { name, body, .. } => {
[INFO] [stdout]      |               ------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1404 |               Stmt::Expr { expr, span } => {
[INFO] [stdout]      |               ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1409 | /             Stmt::Let {
[INFO] [stdout] 1410 | |                 name, init, span, ..
[INFO] [stdout] 1411 | |             } => {
[INFO] [stdout]      | |_____________- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1428 | /             Stmt::Set {
[INFO] [stdout] 1429 | |                 name, init, span, ..
[INFO] [stdout] 1430 | |             } => {
[INFO] [stdout]      | |_____________- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2135 |               _ => Err(RuntimeError::ExecutionFailed(
[INFO] [stdout]      |               ^ ...and 20 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/interptreter.rs:1722:25
[INFO] [stdout]      |
[INFO] [stdout] 1722 |                     let mut scope = Environment::new_enclosed(Arc::new(Mutex::new(env.clone())));
[INFO] [stdout]      |                         ----^^^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/interptreter.rs:1738:29
[INFO] [stdout]      |
[INFO] [stdout] 1738 |                         let mut inner = Interpreter { env: Arc::new(Mutex::new(scope.clone())),exports:self.exports.clone() };
[INFO] [stdout]      |                             ----^^^^^
[INFO] [stdout]      |                             |
[INFO] [stdout]      |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/interptreter.rs:1964:21
[INFO] [stdout]      |
[INFO] [stdout] 1964 |                 let mut try_env = self.env.clone();
[INFO] [stdout]      |                     ----^^^^^^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]     --> src/interptreter.rs:1684:35
[INFO] [stdout]      |
[INFO] [stdout] 1684 |                         .map_err(|e| RuntimeError::CommandNotFound(name.to_string(),span.clone()))?;
[INFO] [stdout]      |                                   ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]     --> src/interptreter.rs:1685:60
[INFO] [stdout]      |
[INFO] [stdout] 1685 |                     if let Value::Command(RuntimeCommand { name, body }) = cmd {
[INFO] [stdout]      |                                                            ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `try_env`
[INFO] [stdout]     --> src/interptreter.rs:1964:21
[INFO] [stdout]      |
[INFO] [stdout] 1964 |                 let mut try_env = self.env.clone();
[INFO] [stdout]      |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_try_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]     --> src/interptreter.rs:1994:25
[INFO] [stdout]      |
[INFO] [stdout] 1994 |                     let x = self.execute(block.clone(), span); 
[INFO] [stdout]      |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/interptreter.rs:2170:13
[INFO] [stdout]      |
[INFO] [stdout] 2170 |         let mut module_interpreter = eval_and_return_interpreter(&src,None);
[INFO] [stdout]      |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shell`
[INFO] [stdout]     --> src/interptreter.rs:2788:21
[INFO] [stdout]      |
[INFO] [stdout] 2788 |                 let shell = "bash";
[INFO] [stdout]      |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_shell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `define`
[INFO] [stdout]     --> src/interptreter.rs:3029:17
[INFO] [stdout]      |
[INFO] [stdout] 3029 |             let define = env.define(name.clone(), val.clone());
[INFO] [stdout]      |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_define`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `val` is assigned to, but never used
[INFO] [stdout]     --> src/interptreter.rs:3218:9
[INFO] [stdout]      |
[INFO] [stdout] 3218 |     let mut val = Value::Null;
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_val` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val` is never read
[INFO] [stdout]     --> src/interptreter.rs:3302:18
[INFO] [stdout]      |
[INFO] [stdout] 3302 |             _ => val = value,
[INFO] [stdout]      |                  ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/builtin/iconf.rs:209:12
[INFO] [stdout]     |
[INFO] [stdout] 209 |         if let index = self.index {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/builtin/iconf.rs:213:12
[INFO] [stdout]     |
[INFO] [stdout] 213 |         if let state = &self.state {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:377:13
[INFO] [stdout]     |
[INFO] [stdout] 377 |             _ => {break}
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:377:13
[INFO] [stdout]     |
[INFO] [stdout] 351 |             Ok(Signal::Success(line)) => {
[INFO] [stdout]     |             ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 366 |             Ok(Signal::CtrlC) => {
[INFO] [stdout]     |             ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 370 |             Ok(Signal::CtrlD) => {
[INFO] [stdout]     |             ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 373 |             Err(err) => {
[INFO] [stdout]     |             -------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 377 |             _ => {break}
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:232:26
[INFO] [stdout]     |
[INFO] [stdout] 232 |                     for (i, content) in files.iter().enumerate() {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_dir`
[INFO] [stdout]    --> src/main.rs:428:5
[INFO] [stdout]     |
[INFO] [stdout] 428 |     last_dir: &mut Option<PathBuf>,
[INFO] [stdout]     |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CustomEventHandler` is never used
[INFO] [stdout]   --> src/main.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | trait CustomEventHandler {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyCompleter` is never constructed
[INFO] [stdout]   --> src/main.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct MyCompleter {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PostfixExpr` is never used
[INFO] [stdout]    --> src/parser.rs:754:6
[INFO] [stdout]     |
[INFO] [stdout] 754 | enum PostfixExpr {
[INFO] [stdout]     |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `arguments_parser` is never used
[INFO] [stdout]    --> src/parser.rs:780:4
[INFO] [stdout]     |
[INFO] [stdout] 780 | fn arguments_parser(expr_parser: impl Parser<Token, Expr, Error = Simple<Token>> + Clone) -> impl Parser<Token, Vec<Expr>, Error = ...
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `member_access_parser` is never used
[INFO] [stdout]    --> src/parser.rs:787:4
[INFO] [stdout]     |
[INFO] [stdout] 787 | fn member_access_parser() -> impl Parser<Token, PostfixExpr, Error = Simple<Token>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eval_member_access` is never used
[INFO] [stdout]     --> src/interptreter.rs:2865:8
[INFO] [stdout]      |
[INFO] [stdout] 1367 | impl Interpreter {
[INFO] [stdout]      | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 2865 |     fn eval_member_access(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_ipconfig_all` is never used
[INFO] [stdout]    --> src/builtin/iconf.rs:247:4
[INFO] [stdout]     |
[INFO] [stdout] 247 | fn parse_ipconfig_all(output: &str) -> Vec<Interface> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:87:27
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn render_prompt_left(&self) -> Cow<str> {
[INFO] [stdout]    |                           ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn render_prompt_left(&self) -> Cow<'_, str> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:91:28
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn render_prompt_right(&self) -> Cow<str> {
[INFO] [stdout]    |                            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn render_prompt_right(&self) -> Cow<'_, str> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:95:32
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn render_prompt_indicator(&self, _prompt_mode: PromptEditMode) -> Cow<str> {
[INFO] [stdout]    |                                ^^^^^ the lifetime is elided here       ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn render_prompt_indicator(&self, _prompt_mode: PromptEditMode) -> Cow<'_, str> {
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:99:42
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn render_prompt_multiline_indicator(&self) -> Cow<str> {
[INFO] [stdout]    |                                          ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn render_prompt_multiline_indicator(&self) -> Cow<'_, str> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:103:47
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn render_prompt_history_search_indicator(&self, _search: PromptHistorySearch) -> Cow<str> {
[INFO] [stdout]     |                                               ^^^^^ the lifetime is elided here       ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn render_prompt_history_search_indicator(&self, _search: PromptHistorySearch) -> Cow<'_, str> {
[INFO] [stdout]     |                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `CMD_keyword` should have a snake case name
[INFO] [stdout]     --> src/parser.rs:1091:13
[INFO] [stdout]      |
[INFO] [stdout] 1091 |         let CMD_keyword = skip_ws(just(Token::Command));
[INFO] [stdout]      |             ^^^^^^^^^^^ help: convert the identifier to snake case: `cmd_keyword`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/environment.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         env.define("true".to_string(), Value::Bool(true));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let _ = env.define("true".to_string(), Value::Bool(true));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         env.define("false".to_string(), Value::Bool(false));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let _ = env.define("false".to_string(), Value::Bool(false));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 | /         env.define(
[INFO] [stdout] 103 | |             "print".to_string(), Value::Function(Arc::new(FunctionValue::Native{
[INFO] [stdout] 104 | |             name: "print".to_string(),
[INFO] [stdout] 105 | |             params: vec!["message".to_string()],
[INFO] [stdout] ...   |
[INFO] [stdout] 125 | |             }),
[INFO] [stdout] 126 | |         })));
[INFO] [stdout]     | |____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 | /         env.define(
[INFO] [stdout] 128 | |             "println".to_string(), Value::Function(Arc::new(FunctionValue::Native{
[INFO] [stdout] 129 | |             name: "println".to_string(),
[INFO] [stdout] 130 | |             params: vec!["message".to_string()],
[INFO] [stdout] ...   |
[INFO] [stdout] 149 | |             }),
[INFO] [stdout] 150 | |         })));
[INFO] [stdout]     | |____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 | /         env.define(
[INFO] [stdout] 153 | |             "flush".to_string(),
[INFO] [stdout] 154 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 155 | |                 name: "flush".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 162 | |             })),
[INFO] [stdout] 163 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 | /         env.define(
[INFO] [stdout] 165 | |             "len".to_string(), Value::Function(Arc::new( FunctionValue::Native{
[INFO] [stdout] 166 | |             name: "len".to_string(),
[INFO] [stdout] 167 | |             params: vec!["array".to_string()],
[INFO] [stdout] ...   |
[INFO] [stdout] 185 | |             ,
[INFO] [stdout] 186 | |         })));
[INFO] [stdout]     | |____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 | /         env.define(
[INFO] [stdout] 190 | |             "input".to_string(),
[INFO] [stdout] 191 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 192 | |                 name: "input".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 209 | |             })),
[INFO] [stdout] 210 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 | /         env.define(
[INFO] [stdout] 213 | |             "open".to_string(),
[INFO] [stdout] 214 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 215 | |                 name: "open".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 250 | |             })),
[INFO] [stdout] 251 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 212 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 253 | /         env.define(
[INFO] [stdout] 254 | |             "close".to_string(),
[INFO] [stdout] 255 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 256 | |                 name: "close".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 269 | |             })),
[INFO] [stdout] 270 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 253 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 272 | /         env.define(
[INFO] [stdout] 273 | |             "write".to_string(),
[INFO] [stdout] 274 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 275 | |                 name: "write".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 299 | |             })),
[INFO] [stdout] 300 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 272 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 | /         env.define(
[INFO] [stdout] 303 | |             "read".to_string(),
[INFO] [stdout] 304 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 305 | |                 name: "read".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 323 | |             })),
[INFO] [stdout] 324 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 302 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 | /         env.define(
[INFO] [stdout] 327 | |             "toNumber".to_string(),
[INFO] [stdout] 328 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 329 | |                 name: "toNumber".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 352 | |             })),
[INFO] [stdout] 353 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 326 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 | /         env.define(
[INFO] [stdout] 356 | |             "toString".to_string(),
[INFO] [stdout] 357 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 358 | |                 name: "toString".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 375 | |             })),
[INFO] [stdout] 376 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 355 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:380:9
[INFO] [stdout]     |
[INFO] [stdout] 380 | /         env.define(
[INFO] [stdout] 381 | |             "abs".to_string(),
[INFO] [stdout] 382 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 383 | |                 name: "abs".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 395 | |             })),
[INFO] [stdout] 396 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 380 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:398:9
[INFO] [stdout]     |
[INFO] [stdout] 398 | /         env.define(
[INFO] [stdout] 399 | |             "round".to_string(),
[INFO] [stdout] 400 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 401 | |                 name: "round".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 413 | |             })),
[INFO] [stdout] 414 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 398 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:416:9
[INFO] [stdout]     |
[INFO] [stdout] 416 | /         env.define(
[INFO] [stdout] 417 | |             "min".to_string(),
[INFO] [stdout] 418 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 419 | |                 name: "min".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 445 | |             })),
[INFO] [stdout] 446 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 416 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/builtin/iconf.rs:209:12
[INFO] [stdout]     |
[INFO] [stdout] 209 |         if let index = self.index {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/builtin/iconf.rs:213:12
[INFO] [stdout]     |
[INFO] [stdout] 213 |         if let state = &self.state {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:448:9
[INFO] [stdout]     |
[INFO] [stdout] 448 | /         env.define(
[INFO] [stdout] 449 | |             "max".to_string(),
[INFO] [stdout] 450 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 451 | |                 name: "max".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 477 | |             })),
[INFO] [stdout] 478 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 448 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:480:9
[INFO] [stdout]     |
[INFO] [stdout] 480 | /         env.define(
[INFO] [stdout] 481 | |             "sum".to_string(),
[INFO] [stdout] 482 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 483 | |                 name: "sum".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 503 | |             })),
[INFO] [stdout] 504 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 480 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:505:9
[INFO] [stdout]     |
[INFO] [stdout] 505 | /         env.define(
[INFO] [stdout] 506 | |             "sqrt".to_string(),
[INFO] [stdout] 507 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 508 | |                 name: "sqrt".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 520 | |             })),
[INFO] [stdout] 521 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 505 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:522:9
[INFO] [stdout]     |
[INFO] [stdout] 522 | /         env.define(
[INFO] [stdout] 523 | |             "pow".to_string(),
[INFO] [stdout] 524 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 525 | |                 name: "pow".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 537 | |             })),
[INFO] [stdout] 538 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 522 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:540:9
[INFO] [stdout]     |
[INFO] [stdout] 540 | /         env.define(
[INFO] [stdout] 541 | |             "sin".to_string(),
[INFO] [stdout] 542 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 543 | |                 name: "sin".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 555 | |             })),
[INFO] [stdout] 556 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 540 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:558:9
[INFO] [stdout]     |
[INFO] [stdout] 558 | /         env.define(
[INFO] [stdout] 559 | |             "cos".to_string(),
[INFO] [stdout] 560 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 561 | |                 name: "cos".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 573 | |             })),
[INFO] [stdout] 574 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 558 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:576:9
[INFO] [stdout]     |
[INFO] [stdout] 576 | /         env.define(
[INFO] [stdout] 577 | |             "tan".to_string(),
[INFO] [stdout] 578 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 579 | |                 name: "tan".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 591 | |             })),
[INFO] [stdout] 592 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 576 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:594:9
[INFO] [stdout]     |
[INFO] [stdout] 594 | /         env.define(
[INFO] [stdout] 595 | |             "log".to_string(),
[INFO] [stdout] 596 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 597 | |                 name: "log".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 609 | |             })),
[INFO] [stdout] 610 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 594 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:612:9
[INFO] [stdout]     |
[INFO] [stdout] 612 | /         env.define(
[INFO] [stdout] 613 | |             "lower".to_string(),
[INFO] [stdout] 614 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 615 | |                 name: "lower".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 627 | |             })),
[INFO] [stdout] 628 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 612 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:629:9
[INFO] [stdout]     |
[INFO] [stdout] 629 | /         env.define(
[INFO] [stdout] 630 | |             "lower".to_string(),
[INFO] [stdout] 631 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 632 | |                 name: "lower".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 644 | |             })),
[INFO] [stdout] 645 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 629 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:646:9
[INFO] [stdout]     |
[INFO] [stdout] 646 | /         env.define(
[INFO] [stdout] 647 | |             "upper".to_string(),
[INFO] [stdout] 648 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 649 | |                 name: "upper".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 661 | |             })),
[INFO] [stdout] 662 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 646 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:663:9
[INFO] [stdout]     |
[INFO] [stdout] 663 | /         env.define(
[INFO] [stdout] 664 | |             "strip".to_string(),
[INFO] [stdout] 665 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 666 | |                 name: "strip".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 681 | |             })),
[INFO] [stdout] 682 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 663 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:683:9
[INFO] [stdout]     |
[INFO] [stdout] 683 | /         env.define(
[INFO] [stdout] 684 | |             "split".to_string(),
[INFO] [stdout] 685 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 686 | |                 name: "split".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 705 | |             })),
[INFO] [stdout] 706 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 683 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:707:9
[INFO] [stdout]     |
[INFO] [stdout] 707 | /         env.define(
[INFO] [stdout] 708 | |             "join".to_string(),
[INFO] [stdout] 709 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 710 | |                 name: "join".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 730 | |             })),
[INFO] [stdout] 731 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 707 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:732:9
[INFO] [stdout]     |
[INFO] [stdout] 732 | /         env.define(
[INFO] [stdout] 733 | |             "replace".to_string(),
[INFO] [stdout] 734 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 735 | |                 name: "replace".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 756 | |             })),
[INFO] [stdout] 757 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 732 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:758:9
[INFO] [stdout]     |
[INFO] [stdout] 758 | /         env.define(
[INFO] [stdout] 759 | |             "substr".to_string(),
[INFO] [stdout] 760 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 761 | |                 name: "substr".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 786 | |             })),
[INFO] [stdout] 787 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 758 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:788:9
[INFO] [stdout]     |
[INFO] [stdout] 788 | /         env.define(
[INFO] [stdout] 789 | |             "charAt".to_string(),
[INFO] [stdout] 790 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 791 | |                 name: "charAt".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 814 | |             })),
[INFO] [stdout] 815 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 788 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:817:9
[INFO] [stdout]     |
[INFO] [stdout] 817 | /         env.define(
[INFO] [stdout] 818 | |             "append".to_string(),
[INFO] [stdout] 819 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 820 | |                 name: "append".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 834 | |             })),
[INFO] [stdout] 835 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 817 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:837:9
[INFO] [stdout]     |
[INFO] [stdout] 837 | /         env.define(
[INFO] [stdout] 838 | |             "pop".to_string(),
[INFO] [stdout] 839 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 840 | |                 name: "pop".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 859 | |             })),
[INFO] [stdout] 860 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 837 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:862:9
[INFO] [stdout]     |
[INFO] [stdout] 862 | /         env.define(
[INFO] [stdout] 863 | |             "insert".to_string(),
[INFO] [stdout] 864 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 865 | |                 name: "insert".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 887 | |             })),
[INFO] [stdout] 888 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 862 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:890:9
[INFO] [stdout]     |
[INFO] [stdout] 890 | /         env.define(
[INFO] [stdout] 891 | |             "remove".to_string(),
[INFO] [stdout] 892 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 893 | |                 name: "remove".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 914 | |             })),
[INFO] [stdout] 915 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 890 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:917:9
[INFO] [stdout]     |
[INFO] [stdout] 917 | /         env.define(
[INFO] [stdout] 918 | |             "sort".to_string(),
[INFO] [stdout] 919 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 920 | |                 name: "sort".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 934 | |             })),
[INFO] [stdout] 935 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 917 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:937:9
[INFO] [stdout]     |
[INFO] [stdout] 937 | /         env.define(
[INFO] [stdout] 938 | |             "reverse".to_string(),
[INFO] [stdout] 939 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 940 | |                 name: "reverse".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 954 | |             })),
[INFO] [stdout] 955 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 937 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:957:9
[INFO] [stdout]     |
[INFO] [stdout] 957 | /         env.define(
[INFO] [stdout] 958 | |             "index".to_string(),
[INFO] [stdout] 959 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 960 | |                 name: "index".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 979 | |             })),
[INFO] [stdout] 980 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 957 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:982:9
[INFO] [stdout]      |
[INFO] [stdout]  982 | /         env.define(
[INFO] [stdout]  983 | |             "slice".to_string(),
[INFO] [stdout]  984 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout]  985 | |                 name: "slice".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1007 | |             })),
[INFO] [stdout] 1008 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout]  982 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1010:9
[INFO] [stdout]      |
[INFO] [stdout] 1010 | /         env.define(
[INFO] [stdout] 1011 | |             "map".to_string(),
[INFO] [stdout] 1012 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1013 | |                 name: "map".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1033 | |             })),
[INFO] [stdout] 1034 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1010 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1036:9
[INFO] [stdout]      |
[INFO] [stdout] 1036 | /         env.define(
[INFO] [stdout] 1037 | |             "filter".to_string(),
[INFO] [stdout] 1038 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1039 | |                 name: "filter".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1060 | |             })),
[INFO] [stdout] 1061 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1036 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1063:9
[INFO] [stdout]      |
[INFO] [stdout] 1063 | /         env.define(
[INFO] [stdout] 1064 | |             "reduce".to_string(),
[INFO] [stdout] 1065 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1066 | |                 name: "reduce".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1082 | |             })),
[INFO] [stdout] 1083 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1063 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1085:9
[INFO] [stdout]      |
[INFO] [stdout] 1085 | /         env.define(
[INFO] [stdout] 1086 | |             "drop".to_string(),
[INFO] [stdout] 1087 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1088 | |                 name: "drop".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1091 | |             })),
[INFO] [stdout] 1092 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1085 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1094:9
[INFO] [stdout]      |
[INFO] [stdout] 1094 | /         env.define(
[INFO] [stdout] 1095 | |             "exit".to_string(),
[INFO] [stdout] 1096 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1097 | |                 name: "exit".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1109 | |             })),
[INFO] [stdout] 1110 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1094 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1113:9
[INFO] [stdout]      |
[INFO] [stdout] 1113 | /         env.define(
[INFO] [stdout] 1114 | |             "getenv".to_string(),
[INFO] [stdout] 1115 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1116 | |                 name: "getenv".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1137 | |             })),
[INFO] [stdout] 1138 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1113 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1140:9
[INFO] [stdout]      |
[INFO] [stdout] 1140 | /         env.define(
[INFO] [stdout] 1141 | |             "time".to_string(),
[INFO] [stdout] 1142 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1143 | |                 name: "time".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1152 | |             })),
[INFO] [stdout] 1153 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1140 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1155:9
[INFO] [stdout]      |
[INFO] [stdout] 1155 | /         env.define(
[INFO] [stdout] 1156 | |             "sleep".to_string(),
[INFO] [stdout] 1157 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1158 | |                 name: "sleep".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1172 | |             })),
[INFO] [stdout] 1173 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1155 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1176:9
[INFO] [stdout]      |
[INFO] [stdout] 1176 | /         env.define(
[INFO] [stdout] 1177 | |             "get".to_string(),
[INFO] [stdout] 1178 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1179 | |                 name: "get".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1205 | |             })),
[INFO] [stdout] 1206 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1176 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1209:9
[INFO] [stdout]      |
[INFO] [stdout] 1209 | /         env.define(
[INFO] [stdout] 1210 | |             "json".to_string(),
[INFO] [stdout] 1211 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1212 | |                 name: "json".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1227 | |             })),
[INFO] [stdout] 1228 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1209 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1230:9
[INFO] [stdout]      |
[INFO] [stdout] 1230 | /         env.define(
[INFO] [stdout] 1231 | |             "nosj".to_string(),
[INFO] [stdout] 1232 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1233 | |                 name: "nosj".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1256 | |             })),
[INFO] [stdout] 1257 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1230 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1261:9
[INFO] [stdout]      |
[INFO] [stdout] 1261 | /         env.define(
[INFO] [stdout] 1262 | |             "http".to_string(),
[INFO] [stdout] 1263 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1264 | |                 name: "http".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1389 | |             })),
[INFO] [stdout] 1390 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1261 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1392:9
[INFO] [stdout]      |
[INFO] [stdout] 1392 | /         env.define("assert".to_string(),
[INFO] [stdout] 1393 | |                    Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1394 | |                        name: "assert".to_string(),
[INFO] [stdout] 1395 | |                        params: vec!["condition".to_string(), "message".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1404 | |                    })),
[INFO] [stdout] 1405 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1392 |         let _ = env.define("assert".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1407:9
[INFO] [stdout]      |
[INFO] [stdout] 1407 | /         env.define("typeof".to_string(),
[INFO] [stdout] 1408 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1409 | |                 name: "typeof".to_string(),
[INFO] [stdout] 1410 | |                 params: vec!["value".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1416 | |             })),
[INFO] [stdout] 1417 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1407 |         let _ = env.define("typeof".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1419:9
[INFO] [stdout]      |
[INFO] [stdout] 1419 | /         env.define("isEmpty".to_string(),
[INFO] [stdout] 1420 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1421 | |                 name: "isEmpty".to_string(),
[INFO] [stdout] 1422 | |                 params: vec!["value".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1434 | |             })),
[INFO] [stdout] 1435 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1419 |         let _ = env.define("isEmpty".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1437:9
[INFO] [stdout]      |
[INFO] [stdout] 1437 | /         env.define("isNull".to_string(),
[INFO] [stdout] 1438 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1439 | |                 name: "isNull".to_string(),
[INFO] [stdout] 1440 | |                 params: vec!["value".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1445 | |             })),
[INFO] [stdout] 1446 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1437 |         let _ = env.define("isNull".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1448:9
[INFO] [stdout]      |
[INFO] [stdout] 1448 | /         env.define("keys".to_string(),
[INFO] [stdout] 1449 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1450 | |                 name: "keys".to_string(),
[INFO] [stdout] 1451 | |                 params: vec!["map".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1461 | |             })),
[INFO] [stdout] 1462 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1448 |         let _ = env.define("keys".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1464:9
[INFO] [stdout]      |
[INFO] [stdout] 1464 | /         env.define("values".to_string(),
[INFO] [stdout] 1465 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1466 | |                 name: "values".to_string(),
[INFO] [stdout] 1467 | |                 params: vec!["map".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1477 | |             })),
[INFO] [stdout] 1478 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1464 |         let _ = env.define("values".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1480:9
[INFO] [stdout]      |
[INFO] [stdout] 1480 | /         env.define("has".to_string(),
[INFO] [stdout] 1481 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1482 | |                 name: "has".to_string(),
[INFO] [stdout] 1483 | |                 params: vec!["map".to_string(), "key".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1492 | |             })),
[INFO] [stdout] 1493 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1480 |         let _ = env.define("has".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1495:9
[INFO] [stdout]      |
[INFO] [stdout] 1495 | /         env.define("delete".to_string(),
[INFO] [stdout] 1496 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1497 | |                 name: "delete".to_string(),
[INFO] [stdout] 1498 | |                 params: vec!["map".to_string(), "key".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1509 | |             })),
[INFO] [stdout] 1510 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1495 |         let _ = env.define("delete".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1512:9
[INFO] [stdout]      |
[INFO] [stdout] 1512 | /         env.define("merge".to_string(),
[INFO] [stdout] 1513 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1514 | |                 name: "merge".to_string(),
[INFO] [stdout] 1515 | |                 params: vec!["a".to_string(), "b".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1528 | |             })),
[INFO] [stdout] 1529 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1512 |         let _ = env.define("merge".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1531:9
[INFO] [stdout]      |
[INFO] [stdout] 1531 | /         env.define("entries".to_string(),
[INFO] [stdout] 1532 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1533 | |                 name: "entries".to_string(),
[INFO] [stdout] 1534 | |                 params: vec!["map".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1546 | |             })),
[INFO] [stdout] 1547 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1531 |         let _ = env.define("entries".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1549:9
[INFO] [stdout]      |
[INFO] [stdout] 1549 | /         env.define("exists".to_string(),
[INFO] [stdout] 1550 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1551 | |                 name: "exists".to_string(),
[INFO] [stdout] 1552 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1557 | |             })),
[INFO] [stdout] 1558 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1549 |         let _ = env.define("exists".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1560:9
[INFO] [stdout]      |
[INFO] [stdout] 1560 | /         env.define("isFile".to_string(),
[INFO] [stdout] 1561 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1562 | |                 name: "isFile".to_string(),
[INFO] [stdout] 1563 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1568 | |             })),
[INFO] [stdout] 1569 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1560 |         let _ = env.define("isFile".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1571:9
[INFO] [stdout]      |
[INFO] [stdout] 1571 | /         env.define("isDir".to_string(),
[INFO] [stdout] 1572 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1573 | |                 name: "isDir".to_string(),
[INFO] [stdout] 1574 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1579 | |             })),
[INFO] [stdout] 1580 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1571 |         let _ = env.define("isDir".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1583:9
[INFO] [stdout]      |
[INFO] [stdout] 1583 | /         env.define("mkdir".to_string(),
[INFO] [stdout] 1584 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1585 | |                 name: "mkdir".to_string(),
[INFO] [stdout] 1586 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1592 | |             })),
[INFO] [stdout] 1593 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1583 |         let _ = env.define("mkdir".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1595:9
[INFO] [stdout]      |
[INFO] [stdout] 1595 | /         env.define("rmdir".to_string(),
[INFO] [stdout] 1596 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1597 | |                 name: "rmdir".to_string(),
[INFO] [stdout] 1598 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1604 | |             })),
[INFO] [stdout] 1605 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1595 |         let _ = env.define("rmdir".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1607:9
[INFO] [stdout]      |
[INFO] [stdout] 1607 | /         env.define("rm".to_string(),
[INFO] [stdout] 1608 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1609 | |                 name: "rm".to_string(),
[INFO] [stdout] 1610 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1616 | |             })),
[INFO] [stdout] 1617 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1607 |         let _ = env.define("rm".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1619:9
[INFO] [stdout]      |
[INFO] [stdout] 1619 | /         env.define("rename".to_string(),
[INFO] [stdout] 1620 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1621 | |                 name: "rename".to_string(),
[INFO] [stdout] 1622 | |                 params: vec!["old".to_string(), "new".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1629 | |             })),
[INFO] [stdout] 1630 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1619 |         let _ = env.define("rename".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1632:9
[INFO] [stdout]      |
[INFO] [stdout] 1632 | /         env.define("listdir".to_string(),
[INFO] [stdout] 1633 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1634 | |                 name: "listdir".to_string(),
[INFO] [stdout] 1635 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1645 | |             })),
[INFO] [stdout] 1646 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1632 |         let _ = env.define("listdir".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1648:9
[INFO] [stdout]      |
[INFO] [stdout] 1648 | /         env.define("stat".to_string(),
[INFO] [stdout] 1649 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1650 | |                 name: "stat".to_string(),
[INFO] [stdout] 1651 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1670 | |             })),
[INFO] [stdout] 1671 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1648 |         let _ = env.define("stat".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1673:9
[INFO] [stdout]      |
[INFO] [stdout] 1673 | /         env.define("basename".to_string(),
[INFO] [stdout] 1674 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1675 | |                 name: "basename".to_string(),
[INFO] [stdout] 1676 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1684 | |             })),
[INFO] [stdout] 1685 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1673 |         let _ = env.define("basename".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1687:9
[INFO] [stdout]      |
[INFO] [stdout] 1687 | /         env.define("dirname".to_string(),
[INFO] [stdout] 1688 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1689 | |                 name: "dirname".to_string(),
[INFO] [stdout] 1690 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1698 | |             })),
[INFO] [stdout] 1699 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1687 |         let _ = env.define("dirname".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1701:9
[INFO] [stdout]      |
[INFO] [stdout] 1701 | /         env.define("extname".to_string(),
[INFO] [stdout] 1702 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1703 | |                 name: "extname".to_string(),
[INFO] [stdout] 1704 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1712 | |             })),
[INFO] [stdout] 1713 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1701 |         let _ = env.define("extname".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1715:9
[INFO] [stdout]      |
[INFO] [stdout] 1715 | /         env.define("joinpath".to_string(),
[INFO] [stdout] 1716 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1717 | |                 name: "joinpath".to_string(),
[INFO] [stdout] 1718 | |                 params: vec!["parts".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1735 | |             })),
[INFO] [stdout] 1736 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1715 |         let _ = env.define("joinpath".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1738:9
[INFO] [stdout]      |
[INFO] [stdout] 1738 | /         env.define("cwd".to_string(),
[INFO] [stdout] 1739 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1740 | |                 name: "cwd".to_string(),
[INFO] [stdout] 1741 | |                 params: vec![],
[INFO] [stdout] ...    |
[INFO] [stdout] 1749 | |             })),
[INFO] [stdout] 1750 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1738 |         let _ = env.define("cwd".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1752:9
[INFO] [stdout]      |
[INFO] [stdout] 1752 | /         env.define("platform".to_string(),
[INFO] [stdout] 1753 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1754 | |                 name: "platform".to_string(),
[INFO] [stdout] 1755 | |                 params: vec![],
[INFO] [stdout] ...    |
[INFO] [stdout] 1768 | |             })),
[INFO] [stdout] 1769 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1752 |         let _ = env.define("platform".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1771:9
[INFO] [stdout]      |
[INFO] [stdout] 1771 | /         env.define("now".to_string(),
[INFO] [stdout] 1772 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1773 | |                 name: "now".to_string(),
[INFO] [stdout] 1774 | |                 params: vec![],
[INFO] [stdout] ...    |
[INFO] [stdout] 1779 | |             })),
[INFO] [stdout] 1780 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1771 |         let _ = env.define("now".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1782:9
[INFO] [stdout]      |
[INFO] [stdout] 1782 | /         env.define("format_time".to_string(),
[INFO] [stdout] 1783 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1784 | |                 name: "format_time".to_string(),
[INFO] [stdout] 1785 | |                 params: vec!["timestamp".to_string(), "format".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1800 | |             })),
[INFO] [stdout] 1801 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1782 |         let _ = env.define("format_time".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1803:9
[INFO] [stdout]      |
[INFO] [stdout] 1803 | /         env.define("parse_time".to_string(),
[INFO] [stdout] 1804 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1805 | |                 name: "parse_time".to_string(),
[INFO] [stdout] 1806 | |                 params: vec!["time_str".to_string(), "format".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1820 | |             })),
[INFO] [stdout] 1821 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1803 |         let _ = env.define("parse_time".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1823:9
[INFO] [stdout]      |
[INFO] [stdout] 1823 | /         env.define("uptime".to_string(),
[INFO] [stdout] 1824 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1825 | |                 name: "uptime".to_string(),
[INFO] [stdout] 1826 | |                 params: vec![],
[INFO] [stdout] ...    |
[INFO] [stdout] 1842 | |             })),
[INFO] [stdout] 1843 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1823 |         let _ = env.define("uptime".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1845:9
[INFO] [stdout]      |
[INFO] [stdout] 1845 | /         env.define("async".to_string(), Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1846 | |             name: "async".to_string(),
[INFO] [stdout] 1847 | |             params: vec!["fn".to_string()],
[INFO] [stdout] 1848 | |             func: NativeFn::from(|args, env| {
[INFO] [stdout] ...    |
[INFO] [stdout] 1862 | |             }),
[INFO] [stdout] 1863 | |         })));
[INFO] [stdout]      | |____________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1845 |         let _ = env.define("async".to_string(), Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1866:9
[INFO] [stdout]      |
[INFO] [stdout] 1866 | /         env.define("await".to_string(), Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1867 | |             name: "await".to_string(),
[INFO] [stdout] 1868 | |             params: vec!["promise".to_string()],
[INFO] [stdout] 1869 | |             func: NativeFn::from(|args, _env| {
[INFO] [stdout] ...    |
[INFO] [stdout] 1879 | |             }),
[INFO] [stdout] 1880 | |         })));
[INFO] [stdout]      | |____________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1866 |         let _ = env.define("await".to_string(), Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1883:9
[INFO] [stdout]      |
[INFO] [stdout] 1883 | /         env.define("spawn".to_string(), Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1884 | |             name: "spawn".to_string(),
[INFO] [stdout] 1885 | |             params: vec!["fn".to_string()],
[INFO] [stdout] 1886 | |             func: NativeFn::from(|args, env| {
[INFO] [stdout] ...    |
[INFO] [stdout] 1898 | |             }),
[INFO] [stdout] 1899 | |         })));
[INFO] [stdout]      | |____________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1883 |         let _ = env.define("spawn".to_string(), Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1972:9
[INFO] [stdout]      |
[INFO] [stdout] 1972 |         env.lock().unwrap().drop_(&*s, Default::default());
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1972 |         let _ = env.lock().unwrap().drop_(&*s, Default::default());
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:1098:21
[INFO] [stdout]      |
[INFO] [stdout] 1098 |                     local_env.define(param.clone(), arg); 
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1098 |                     let _ = local_env.define(param.clone(), arg); 
[INFO] [stdout]      |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:1400:25
[INFO] [stdout]      |
[INFO] [stdout] 1400 |                         self.env.lock().unwrap().define(name, Value::Command(cmd));
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1400 |                         let _ = self.env.lock().unwrap().define(name, Value::Command(cmd));
[INFO] [stdout]      |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:1418:21
[INFO] [stdout]      |
[INFO] [stdout] 1418 | /                     match self.env.lock().unwrap().define(name, val) {
[INFO] [stdout] 1419 | |                         Ok(_) => {Ok::<(),RuntimeError>(())}
[INFO] [stdout] 1420 | |                         Err(x) => {
[INFO] [stdout] 1421 | |                             return Err(RuntimeError::ExecutionFailed(x.to_string(),span.clone()))
[INFO] [stdout] 1422 | |                         }
[INFO] [stdout] 1423 | |                     };
[INFO] [stdout]      | |_____________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1418 |                     let _ = match self.env.lock().unwrap().define(name, val) {
[INFO] [stdout]      |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:1545:29
[INFO] [stdout]      |
[INFO] [stdout] 1545 | / ...                   match self.env.lock().unwrap().define(var.clone(), item.clone()) {
[INFO] [stdout] 1546 | | ...                       Ok(_) => {Ok::<(),RuntimeError>(())}
[INFO] [stdout] 1547 | | ...                       Err(x) => {
[INFO] [stdout] 1548 | | ...                           return Err(RuntimeError::ExecutionFailed(x.to_string(),span.clone()))
[INFO] [stdout] 1549 | | ...                       }
[INFO] [stdout] 1550 | | ...                   };
[INFO] [stdout]      | |_______________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1545 |                             let _ = match self.env.lock().unwrap().define(var.clone(), item.clone()) {
[INFO] [stdout]      |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:1600:25
[INFO] [stdout]      |
[INFO] [stdout] 1600 | /                         match define {
[INFO] [stdout] 1601 | |                             Ok(_) => {Ok::<(),RuntimeError>(())}
[INFO] [stdout] 1602 | |                             Err(x) => {
[INFO] [stdout] 1603 | |                                 return Err(RuntimeError::ExecutionFailed(x.to_string(),span.clone()))
[INFO] [stdout] 1604 | |                             }
[INFO] [stdout] 1605 | |                         };
[INFO] [stdout]      | |_________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1600 |                         let _ = match define {
[INFO] [stdout]      |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:1627:25
[INFO] [stdout]      |
[INFO] [stdout] 1627 | /                         match define {
[INFO] [stdout] 1628 | |                             Ok(_) => {Ok::<(),RuntimeError>(())}
[INFO] [stdout] 1629 | |                             Err(x) => {
[INFO] [stdout] 1630 | |                                 return Err(RuntimeError::ExecutionFailed(x.to_string(),span.clone()))
[INFO] [stdout] 1631 | |                             }
[INFO] [stdout] 1632 | |                         };
[INFO] [stdout]      | |_________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1627 |                         let _ = match define {
[INFO] [stdout]      |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:1980:21
[INFO] [stdout]      |
[INFO] [stdout] 1980 | /                     match define {
[INFO] [stdout] 1981 | |                         Ok(_) => {Ok::<(),RuntimeError>(())}
[INFO] [stdout] 1982 | |                         Err(x) => {
[INFO] [stdout] 1983 | |                             return Err(RuntimeError::ExecutionFailed(x.to_string(),span.clone()))
[INFO] [stdout] 1984 | |                         }
[INFO] [stdout] 1985 | |                     };
[INFO] [stdout]      | |_____________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1980 |                     let _ = match define {
[INFO] [stdout]      |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:2029:29
[INFO] [stdout]      |
[INFO] [stdout] 2029 | / ...                   match define {
[INFO] [stdout] 2030 | | ...                       Ok(_) => {Ok::<(),RuntimeError>(())}
[INFO] [stdout] 2031 | | ...                       Err(x) => {
[INFO] [stdout] 2032 | | ...                           return Err(RuntimeError::ExecutionFailed(x.to_string(),span.clone()))
[INFO] [stdout] 2033 | | ...                       }
[INFO] [stdout] 2034 | | ...                   };
[INFO] [stdout]      | |_______________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 2029 |                             let _ = match define {
[INFO] [stdout]      |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:2041:33
[INFO] [stdout]      |
[INFO] [stdout] 2041 | / ...                   match define {
[INFO] [stdout] 2042 | | ...                       Ok(_) => {Ok::<(),RuntimeError>(())}
[INFO] [stdout] 2043 | | ...                       Err(x) => {
[INFO] [stdout] 2044 | | ...                           return Err(RuntimeError::ExecutionFailed(x.to_string(),span.clone()))
[INFO] [stdout] 2045 | | ...                       }
[INFO] [stdout] 2046 | | ...                   };
[INFO] [stdout]      | |_______________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 2041 |                                 let _ = match define {
[INFO] [stdout]      |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:2053:29
[INFO] [stdout]      |
[INFO] [stdout] 2053 | / ...                   match define {
[INFO] [stdout] 2054 | | ...                       Ok(_) => {Ok::<(),RuntimeError>(())}
[INFO] [stdout] 2055 | | ...                       Err(x) => {
[INFO] [stdout] 2056 | | ...                           return Err(RuntimeError::ExecutionFailed(x.to_string(),span.clone()))
[INFO] [stdout] 2057 | | ...                       }
[INFO] [stdout] 2058 | | ...                   };
[INFO] [stdout]      | |_______________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 2053 |                             let _ = match define {
[INFO] [stdout]      |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:2069:25
[INFO] [stdout]      |
[INFO] [stdout] 2069 |                         self.env.lock().unwrap().define(name, val.clone());
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 2069 |                         let _ = self.env.lock().unwrap().define(name, val.clone());
[INFO] [stdout]      |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:2080:25
[INFO] [stdout]      |
[INFO] [stdout] 2080 | /                         match define {
[INFO] [stdout] 2081 | |                             Ok(_) => {Ok::<(),RuntimeError>(())}
[INFO] [stdout] 2082 | |                             Err(x) => {
[INFO] [stdout] 2083 | |                                 return Err(RuntimeError::ExecutionFailed(x.to_string(),span.clone()))
[INFO] [stdout] 2084 | |                             }
[INFO] [stdout] 2085 | |                         };
[INFO] [stdout]      | |_________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 2080 |                         let _ = match define {
[INFO] [stdout]      |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:2839:29
[INFO] [stdout]      |
[INFO] [stdout] 2839 | / ...                   match define {
[INFO] [stdout] 2840 | | ...                       Ok(_) => {Ok::<(),RuntimeError>(())}
[INFO] [stdout] 2841 | | ...                       Err(x) => {
[INFO] [stdout] 2842 | | ...                           return Err(RuntimeError::ExecutionFailed(x.to_string(),span.clone()))
[INFO] [stdout] 2843 | | ...                       }
[INFO] [stdout] 2844 | | ...                   };
[INFO] [stdout]      | |_______________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 2839 |                             let _ = match define {
[INFO] [stdout]      |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:377:13
[INFO] [stdout]     |
[INFO] [stdout] 377 |             _ => {break}
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:377:13
[INFO] [stdout]     |
[INFO] [stdout] 351 |             Ok(Signal::Success(line)) => {
[INFO] [stdout]     |             ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 366 |             Ok(Signal::CtrlC) => {
[INFO] [stdout]     |             ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 370 |             Ok(Signal::CtrlD) => {
[INFO] [stdout]     |             ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 373 |             Err(err) => {
[INFO] [stdout]     |             -------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 377 |             _ => {break}
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:232:26
[INFO] [stdout]     |
[INFO] [stdout] 232 |                     for (i, content) in files.iter().enumerate() {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_dir`
[INFO] [stdout]    --> src/main.rs:428:5
[INFO] [stdout]     |
[INFO] [stdout] 428 |     last_dir: &mut Option<PathBuf>,
[INFO] [stdout]     |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CustomEventHandler` is never used
[INFO] [stdout]   --> src/main.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | trait CustomEventHandler {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyCompleter` is never constructed
[INFO] [stdout]   --> src/main.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct MyCompleter {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PostfixExpr` is never used
[INFO] [stdout]    --> src/parser.rs:754:6
[INFO] [stdout]     |
[INFO] [stdout] 754 | enum PostfixExpr {
[INFO] [stdout]     |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `arguments_parser` is never used
[INFO] [stdout]    --> src/parser.rs:780:4
[INFO] [stdout]     |
[INFO] [stdout] 780 | fn arguments_parser(expr_parser: impl Parser<Token, Expr, Error = Simple<Token>> + Clone) -> impl Parser<Token, Vec<Expr>, Error = ...
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `member_access_parser` is never used
[INFO] [stdout]    --> src/parser.rs:787:4
[INFO] [stdout]     |
[INFO] [stdout] 787 | fn member_access_parser() -> impl Parser<Token, PostfixExpr, Error = Simple<Token>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eval_member_access` is never used
[INFO] [stdout]     --> src/interptreter.rs:2865:8
[INFO] [stdout]      |
[INFO] [stdout] 1367 | impl Interpreter {
[INFO] [stdout]      | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 2865 |     fn eval_member_access(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_ipconfig_all` is never used
[INFO] [stdout]    --> src/builtin/iconf.rs:247:4
[INFO] [stdout]     |
[INFO] [stdout] 247 | fn parse_ipconfig_all(output: &str) -> Vec<Interface> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:87:27
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn render_prompt_left(&self) -> Cow<str> {
[INFO] [stdout]    |                           ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn render_prompt_left(&self) -> Cow<'_, str> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:91:28
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn render_prompt_right(&self) -> Cow<str> {
[INFO] [stdout]    |                            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn render_prompt_right(&self) -> Cow<'_, str> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:95:32
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn render_prompt_indicator(&self, _prompt_mode: PromptEditMode) -> Cow<str> {
[INFO] [stdout]    |                                ^^^^^ the lifetime is elided here       ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn render_prompt_indicator(&self, _prompt_mode: PromptEditMode) -> Cow<'_, str> {
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:99:42
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn render_prompt_multiline_indicator(&self) -> Cow<str> {
[INFO] [stdout]    |                                          ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn render_prompt_multiline_indicator(&self) -> Cow<'_, str> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:103:47
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn render_prompt_history_search_indicator(&self, _search: PromptHistorySearch) -> Cow<str> {
[INFO] [stdout]     |                                               ^^^^^ the lifetime is elided here       ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn render_prompt_history_search_indicator(&self, _search: PromptHistorySearch) -> Cow<'_, str> {
[INFO] [stdout]     |                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `CMD_keyword` should have a snake case name
[INFO] [stdout]     --> src/parser.rs:1091:13
[INFO] [stdout]      |
[INFO] [stdout] 1091 |         let CMD_keyword = skip_ws(just(Token::Command));
[INFO] [stdout]      |             ^^^^^^^^^^^ help: convert the identifier to snake case: `cmd_keyword`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/environment.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         env.define("true".to_string(), Value::Bool(true));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let _ = env.define("true".to_string(), Value::Bool(true));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         env.define("false".to_string(), Value::Bool(false));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let _ = env.define("false".to_string(), Value::Bool(false));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 | /         env.define(
[INFO] [stdout] 103 | |             "print".to_string(), Value::Function(Arc::new(FunctionValue::Native{
[INFO] [stdout] 104 | |             name: "print".to_string(),
[INFO] [stdout] 105 | |             params: vec!["message".to_string()],
[INFO] [stdout] ...   |
[INFO] [stdout] 125 | |             }),
[INFO] [stdout] 126 | |         })));
[INFO] [stdout]     | |____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 | /         env.define(
[INFO] [stdout] 128 | |             "println".to_string(), Value::Function(Arc::new(FunctionValue::Native{
[INFO] [stdout] 129 | |             name: "println".to_string(),
[INFO] [stdout] 130 | |             params: vec!["message".to_string()],
[INFO] [stdout] ...   |
[INFO] [stdout] 149 | |             }),
[INFO] [stdout] 150 | |         })));
[INFO] [stdout]     | |____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 | /         env.define(
[INFO] [stdout] 153 | |             "flush".to_string(),
[INFO] [stdout] 154 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 155 | |                 name: "flush".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 162 | |             })),
[INFO] [stdout] 163 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 | /         env.define(
[INFO] [stdout] 165 | |             "len".to_string(), Value::Function(Arc::new( FunctionValue::Native{
[INFO] [stdout] 166 | |             name: "len".to_string(),
[INFO] [stdout] 167 | |             params: vec!["array".to_string()],
[INFO] [stdout] ...   |
[INFO] [stdout] 185 | |             ,
[INFO] [stdout] 186 | |         })));
[INFO] [stdout]     | |____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 | /         env.define(
[INFO] [stdout] 190 | |             "input".to_string(),
[INFO] [stdout] 191 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 192 | |                 name: "input".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 209 | |             })),
[INFO] [stdout] 210 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 | /         env.define(
[INFO] [stdout] 213 | |             "open".to_string(),
[INFO] [stdout] 214 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 215 | |                 name: "open".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 250 | |             })),
[INFO] [stdout] 251 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 212 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 253 | /         env.define(
[INFO] [stdout] 254 | |             "close".to_string(),
[INFO] [stdout] 255 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 256 | |                 name: "close".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 269 | |             })),
[INFO] [stdout] 270 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 253 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 272 | /         env.define(
[INFO] [stdout] 273 | |             "write".to_string(),
[INFO] [stdout] 274 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 275 | |                 name: "write".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 299 | |             })),
[INFO] [stdout] 300 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 272 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 | /         env.define(
[INFO] [stdout] 303 | |             "read".to_string(),
[INFO] [stdout] 304 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 305 | |                 name: "read".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 323 | |             })),
[INFO] [stdout] 324 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 302 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 | /         env.define(
[INFO] [stdout] 327 | |             "toNumber".to_string(),
[INFO] [stdout] 328 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 329 | |                 name: "toNumber".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 352 | |             })),
[INFO] [stdout] 353 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 326 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 | /         env.define(
[INFO] [stdout] 356 | |             "toString".to_string(),
[INFO] [stdout] 357 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 358 | |                 name: "toString".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 375 | |             })),
[INFO] [stdout] 376 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 355 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:380:9
[INFO] [stdout]     |
[INFO] [stdout] 380 | /         env.define(
[INFO] [stdout] 381 | |             "abs".to_string(),
[INFO] [stdout] 382 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 383 | |                 name: "abs".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 395 | |             })),
[INFO] [stdout] 396 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 380 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:398:9
[INFO] [stdout]     |
[INFO] [stdout] 398 | /         env.define(
[INFO] [stdout] 399 | |             "round".to_string(),
[INFO] [stdout] 400 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 401 | |                 name: "round".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 413 | |             })),
[INFO] [stdout] 414 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 398 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:416:9
[INFO] [stdout]     |
[INFO] [stdout] 416 | /         env.define(
[INFO] [stdout] 417 | |             "min".to_string(),
[INFO] [stdout] 418 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 419 | |                 name: "min".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 445 | |             })),
[INFO] [stdout] 446 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 416 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:448:9
[INFO] [stdout]     |
[INFO] [stdout] 448 | /         env.define(
[INFO] [stdout] 449 | |             "max".to_string(),
[INFO] [stdout] 450 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 451 | |                 name: "max".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 477 | |             })),
[INFO] [stdout] 478 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 448 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:480:9
[INFO] [stdout]     |
[INFO] [stdout] 480 | /         env.define(
[INFO] [stdout] 481 | |             "sum".to_string(),
[INFO] [stdout] 482 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 483 | |                 name: "sum".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 503 | |             })),
[INFO] [stdout] 504 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 480 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:505:9
[INFO] [stdout]     |
[INFO] [stdout] 505 | /         env.define(
[INFO] [stdout] 506 | |             "sqrt".to_string(),
[INFO] [stdout] 507 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 508 | |                 name: "sqrt".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 520 | |             })),
[INFO] [stdout] 521 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 505 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:522:9
[INFO] [stdout]     |
[INFO] [stdout] 522 | /         env.define(
[INFO] [stdout] 523 | |             "pow".to_string(),
[INFO] [stdout] 524 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 525 | |                 name: "pow".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 537 | |             })),
[INFO] [stdout] 538 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 522 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:540:9
[INFO] [stdout]     |
[INFO] [stdout] 540 | /         env.define(
[INFO] [stdout] 541 | |             "sin".to_string(),
[INFO] [stdout] 542 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 543 | |                 name: "sin".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 555 | |             })),
[INFO] [stdout] 556 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 540 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:558:9
[INFO] [stdout]     |
[INFO] [stdout] 558 | /         env.define(
[INFO] [stdout] 559 | |             "cos".to_string(),
[INFO] [stdout] 560 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 561 | |                 name: "cos".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 573 | |             })),
[INFO] [stdout] 574 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 558 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:576:9
[INFO] [stdout]     |
[INFO] [stdout] 576 | /         env.define(
[INFO] [stdout] 577 | |             "tan".to_string(),
[INFO] [stdout] 578 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 579 | |                 name: "tan".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 591 | |             })),
[INFO] [stdout] 592 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 576 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:594:9
[INFO] [stdout]     |
[INFO] [stdout] 594 | /         env.define(
[INFO] [stdout] 595 | |             "log".to_string(),
[INFO] [stdout] 596 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 597 | |                 name: "log".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 609 | |             })),
[INFO] [stdout] 610 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 594 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:612:9
[INFO] [stdout]     |
[INFO] [stdout] 612 | /         env.define(
[INFO] [stdout] 613 | |             "lower".to_string(),
[INFO] [stdout] 614 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 615 | |                 name: "lower".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 627 | |             })),
[INFO] [stdout] 628 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 612 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:629:9
[INFO] [stdout]     |
[INFO] [stdout] 629 | /         env.define(
[INFO] [stdout] 630 | |             "lower".to_string(),
[INFO] [stdout] 631 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 632 | |                 name: "lower".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 644 | |             })),
[INFO] [stdout] 645 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 629 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:646:9
[INFO] [stdout]     |
[INFO] [stdout] 646 | /         env.define(
[INFO] [stdout] 647 | |             "upper".to_string(),
[INFO] [stdout] 648 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 649 | |                 name: "upper".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 661 | |             })),
[INFO] [stdout] 662 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 646 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:663:9
[INFO] [stdout]     |
[INFO] [stdout] 663 | /         env.define(
[INFO] [stdout] 664 | |             "strip".to_string(),
[INFO] [stdout] 665 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 666 | |                 name: "strip".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 681 | |             })),
[INFO] [stdout] 682 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 663 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:683:9
[INFO] [stdout]     |
[INFO] [stdout] 683 | /         env.define(
[INFO] [stdout] 684 | |             "split".to_string(),
[INFO] [stdout] 685 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 686 | |                 name: "split".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 705 | |             })),
[INFO] [stdout] 706 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 683 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:707:9
[INFO] [stdout]     |
[INFO] [stdout] 707 | /         env.define(
[INFO] [stdout] 708 | |             "join".to_string(),
[INFO] [stdout] 709 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 710 | |                 name: "join".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 730 | |             })),
[INFO] [stdout] 731 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 707 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:732:9
[INFO] [stdout]     |
[INFO] [stdout] 732 | /         env.define(
[INFO] [stdout] 733 | |             "replace".to_string(),
[INFO] [stdout] 734 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 735 | |                 name: "replace".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 756 | |             })),
[INFO] [stdout] 757 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 732 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:758:9
[INFO] [stdout]     |
[INFO] [stdout] 758 | /         env.define(
[INFO] [stdout] 759 | |             "substr".to_string(),
[INFO] [stdout] 760 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 761 | |                 name: "substr".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 786 | |             })),
[INFO] [stdout] 787 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 758 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:788:9
[INFO] [stdout]     |
[INFO] [stdout] 788 | /         env.define(
[INFO] [stdout] 789 | |             "charAt".to_string(),
[INFO] [stdout] 790 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 791 | |                 name: "charAt".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 814 | |             })),
[INFO] [stdout] 815 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 788 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:817:9
[INFO] [stdout]     |
[INFO] [stdout] 817 | /         env.define(
[INFO] [stdout] 818 | |             "append".to_string(),
[INFO] [stdout] 819 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 820 | |                 name: "append".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 834 | |             })),
[INFO] [stdout] 835 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 817 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:837:9
[INFO] [stdout]     |
[INFO] [stdout] 837 | /         env.define(
[INFO] [stdout] 838 | |             "pop".to_string(),
[INFO] [stdout] 839 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 840 | |                 name: "pop".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 859 | |             })),
[INFO] [stdout] 860 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 837 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:862:9
[INFO] [stdout]     |
[INFO] [stdout] 862 | /         env.define(
[INFO] [stdout] 863 | |             "insert".to_string(),
[INFO] [stdout] 864 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 865 | |                 name: "insert".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 887 | |             })),
[INFO] [stdout] 888 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 862 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:890:9
[INFO] [stdout]     |
[INFO] [stdout] 890 | /         env.define(
[INFO] [stdout] 891 | |             "remove".to_string(),
[INFO] [stdout] 892 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 893 | |                 name: "remove".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 914 | |             })),
[INFO] [stdout] 915 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 890 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:917:9
[INFO] [stdout]     |
[INFO] [stdout] 917 | /         env.define(
[INFO] [stdout] 918 | |             "sort".to_string(),
[INFO] [stdout] 919 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 920 | |                 name: "sort".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 934 | |             })),
[INFO] [stdout] 935 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 917 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:937:9
[INFO] [stdout]     |
[INFO] [stdout] 937 | /         env.define(
[INFO] [stdout] 938 | |             "reverse".to_string(),
[INFO] [stdout] 939 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 940 | |                 name: "reverse".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 954 | |             })),
[INFO] [stdout] 955 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 937 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:957:9
[INFO] [stdout]     |
[INFO] [stdout] 957 | /         env.define(
[INFO] [stdout] 958 | |             "index".to_string(),
[INFO] [stdout] 959 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 960 | |                 name: "index".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 979 | |             })),
[INFO] [stdout] 980 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 957 |         let _ = env.define(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:982:9
[INFO] [stdout]      |
[INFO] [stdout]  982 | /         env.define(
[INFO] [stdout]  983 | |             "slice".to_string(),
[INFO] [stdout]  984 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout]  985 | |                 name: "slice".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1007 | |             })),
[INFO] [stdout] 1008 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout]  982 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1010:9
[INFO] [stdout]      |
[INFO] [stdout] 1010 | /         env.define(
[INFO] [stdout] 1011 | |             "map".to_string(),
[INFO] [stdout] 1012 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1013 | |                 name: "map".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1033 | |             })),
[INFO] [stdout] 1034 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1010 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1036:9
[INFO] [stdout]      |
[INFO] [stdout] 1036 | /         env.define(
[INFO] [stdout] 1037 | |             "filter".to_string(),
[INFO] [stdout] 1038 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1039 | |                 name: "filter".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1060 | |             })),
[INFO] [stdout] 1061 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1036 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1063:9
[INFO] [stdout]      |
[INFO] [stdout] 1063 | /         env.define(
[INFO] [stdout] 1064 | |             "reduce".to_string(),
[INFO] [stdout] 1065 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1066 | |                 name: "reduce".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1082 | |             })),
[INFO] [stdout] 1083 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1063 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1085:9
[INFO] [stdout]      |
[INFO] [stdout] 1085 | /         env.define(
[INFO] [stdout] 1086 | |             "drop".to_string(),
[INFO] [stdout] 1087 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1088 | |                 name: "drop".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1091 | |             })),
[INFO] [stdout] 1092 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1085 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1094:9
[INFO] [stdout]      |
[INFO] [stdout] 1094 | /         env.define(
[INFO] [stdout] 1095 | |             "exit".to_string(),
[INFO] [stdout] 1096 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1097 | |                 name: "exit".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1109 | |             })),
[INFO] [stdout] 1110 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1094 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1113:9
[INFO] [stdout]      |
[INFO] [stdout] 1113 | /         env.define(
[INFO] [stdout] 1114 | |             "getenv".to_string(),
[INFO] [stdout] 1115 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1116 | |                 name: "getenv".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1137 | |             })),
[INFO] [stdout] 1138 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1113 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1140:9
[INFO] [stdout]      |
[INFO] [stdout] 1140 | /         env.define(
[INFO] [stdout] 1141 | |             "time".to_string(),
[INFO] [stdout] 1142 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1143 | |                 name: "time".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1152 | |             })),
[INFO] [stdout] 1153 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1140 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1155:9
[INFO] [stdout]      |
[INFO] [stdout] 1155 | /         env.define(
[INFO] [stdout] 1156 | |             "sleep".to_string(),
[INFO] [stdout] 1157 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1158 | |                 name: "sleep".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1172 | |             })),
[INFO] [stdout] 1173 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1155 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1176:9
[INFO] [stdout]      |
[INFO] [stdout] 1176 | /         env.define(
[INFO] [stdout] 1177 | |             "get".to_string(),
[INFO] [stdout] 1178 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1179 | |                 name: "get".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1205 | |             })),
[INFO] [stdout] 1206 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1176 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1209:9
[INFO] [stdout]      |
[INFO] [stdout] 1209 | /         env.define(
[INFO] [stdout] 1210 | |             "json".to_string(),
[INFO] [stdout] 1211 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1212 | |                 name: "json".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1227 | |             })),
[INFO] [stdout] 1228 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1209 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1230:9
[INFO] [stdout]      |
[INFO] [stdout] 1230 | /         env.define(
[INFO] [stdout] 1231 | |             "nosj".to_string(),
[INFO] [stdout] 1232 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1233 | |                 name: "nosj".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1256 | |             })),
[INFO] [stdout] 1257 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1230 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1261:9
[INFO] [stdout]      |
[INFO] [stdout] 1261 | /         env.define(
[INFO] [stdout] 1262 | |             "http".to_string(),
[INFO] [stdout] 1263 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1264 | |                 name: "http".to_string(),
[INFO] [stdout] ...    |
[INFO] [stdout] 1389 | |             })),
[INFO] [stdout] 1390 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1261 |         let _ = env.define(
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1392:9
[INFO] [stdout]      |
[INFO] [stdout] 1392 | /         env.define("assert".to_string(),
[INFO] [stdout] 1393 | |                    Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1394 | |                        name: "assert".to_string(),
[INFO] [stdout] 1395 | |                        params: vec!["condition".to_string(), "message".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1404 | |                    })),
[INFO] [stdout] 1405 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1392 |         let _ = env.define("assert".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1407:9
[INFO] [stdout]      |
[INFO] [stdout] 1407 | /         env.define("typeof".to_string(),
[INFO] [stdout] 1408 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1409 | |                 name: "typeof".to_string(),
[INFO] [stdout] 1410 | |                 params: vec!["value".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1416 | |             })),
[INFO] [stdout] 1417 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1407 |         let _ = env.define("typeof".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1419:9
[INFO] [stdout]      |
[INFO] [stdout] 1419 | /         env.define("isEmpty".to_string(),
[INFO] [stdout] 1420 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1421 | |                 name: "isEmpty".to_string(),
[INFO] [stdout] 1422 | |                 params: vec!["value".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1434 | |             })),
[INFO] [stdout] 1435 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1419 |         let _ = env.define("isEmpty".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1437:9
[INFO] [stdout]      |
[INFO] [stdout] 1437 | /         env.define("isNull".to_string(),
[INFO] [stdout] 1438 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1439 | |                 name: "isNull".to_string(),
[INFO] [stdout] 1440 | |                 params: vec!["value".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1445 | |             })),
[INFO] [stdout] 1446 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1437 |         let _ = env.define("isNull".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1448:9
[INFO] [stdout]      |
[INFO] [stdout] 1448 | /         env.define("keys".to_string(),
[INFO] [stdout] 1449 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1450 | |                 name: "keys".to_string(),
[INFO] [stdout] 1451 | |                 params: vec!["map".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1461 | |             })),
[INFO] [stdout] 1462 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1448 |         let _ = env.define("keys".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1464:9
[INFO] [stdout]      |
[INFO] [stdout] 1464 | /         env.define("values".to_string(),
[INFO] [stdout] 1465 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1466 | |                 name: "values".to_string(),
[INFO] [stdout] 1467 | |                 params: vec!["map".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1477 | |             })),
[INFO] [stdout] 1478 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1464 |         let _ = env.define("values".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1480:9
[INFO] [stdout]      |
[INFO] [stdout] 1480 | /         env.define("has".to_string(),
[INFO] [stdout] 1481 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1482 | |                 name: "has".to_string(),
[INFO] [stdout] 1483 | |                 params: vec!["map".to_string(), "key".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1492 | |             })),
[INFO] [stdout] 1493 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1480 |         let _ = env.define("has".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1495:9
[INFO] [stdout]      |
[INFO] [stdout] 1495 | /         env.define("delete".to_string(),
[INFO] [stdout] 1496 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1497 | |                 name: "delete".to_string(),
[INFO] [stdout] 1498 | |                 params: vec!["map".to_string(), "key".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1509 | |             })),
[INFO] [stdout] 1510 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1495 |         let _ = env.define("delete".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1512:9
[INFO] [stdout]      |
[INFO] [stdout] 1512 | /         env.define("merge".to_string(),
[INFO] [stdout] 1513 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1514 | |                 name: "merge".to_string(),
[INFO] [stdout] 1515 | |                 params: vec!["a".to_string(), "b".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1528 | |             })),
[INFO] [stdout] 1529 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1512 |         let _ = env.define("merge".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1531:9
[INFO] [stdout]      |
[INFO] [stdout] 1531 | /         env.define("entries".to_string(),
[INFO] [stdout] 1532 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1533 | |                 name: "entries".to_string(),
[INFO] [stdout] 1534 | |                 params: vec!["map".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1546 | |             })),
[INFO] [stdout] 1547 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1531 |         let _ = env.define("entries".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1549:9
[INFO] [stdout]      |
[INFO] [stdout] 1549 | /         env.define("exists".to_string(),
[INFO] [stdout] 1550 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1551 | |                 name: "exists".to_string(),
[INFO] [stdout] 1552 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1557 | |             })),
[INFO] [stdout] 1558 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1549 |         let _ = env.define("exists".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1560:9
[INFO] [stdout]      |
[INFO] [stdout] 1560 | /         env.define("isFile".to_string(),
[INFO] [stdout] 1561 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1562 | |                 name: "isFile".to_string(),
[INFO] [stdout] 1563 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1568 | |             })),
[INFO] [stdout] 1569 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1560 |         let _ = env.define("isFile".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1571:9
[INFO] [stdout]      |
[INFO] [stdout] 1571 | /         env.define("isDir".to_string(),
[INFO] [stdout] 1572 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1573 | |                 name: "isDir".to_string(),
[INFO] [stdout] 1574 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1579 | |             })),
[INFO] [stdout] 1580 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1571 |         let _ = env.define("isDir".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1583:9
[INFO] [stdout]      |
[INFO] [stdout] 1583 | /         env.define("mkdir".to_string(),
[INFO] [stdout] 1584 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1585 | |                 name: "mkdir".to_string(),
[INFO] [stdout] 1586 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1592 | |             })),
[INFO] [stdout] 1593 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1583 |         let _ = env.define("mkdir".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1595:9
[INFO] [stdout]      |
[INFO] [stdout] 1595 | /         env.define("rmdir".to_string(),
[INFO] [stdout] 1596 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1597 | |                 name: "rmdir".to_string(),
[INFO] [stdout] 1598 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1604 | |             })),
[INFO] [stdout] 1605 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1595 |         let _ = env.define("rmdir".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1607:9
[INFO] [stdout]      |
[INFO] [stdout] 1607 | /         env.define("rm".to_string(),
[INFO] [stdout] 1608 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1609 | |                 name: "rm".to_string(),
[INFO] [stdout] 1610 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1616 | |             })),
[INFO] [stdout] 1617 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1607 |         let _ = env.define("rm".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1619:9
[INFO] [stdout]      |
[INFO] [stdout] 1619 | /         env.define("rename".to_string(),
[INFO] [stdout] 1620 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1621 | |                 name: "rename".to_string(),
[INFO] [stdout] 1622 | |                 params: vec!["old".to_string(), "new".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1629 | |             })),
[INFO] [stdout] 1630 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1619 |         let _ = env.define("rename".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1632:9
[INFO] [stdout]      |
[INFO] [stdout] 1632 | /         env.define("listdir".to_string(),
[INFO] [stdout] 1633 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1634 | |                 name: "listdir".to_string(),
[INFO] [stdout] 1635 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1645 | |             })),
[INFO] [stdout] 1646 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1632 |         let _ = env.define("listdir".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1648:9
[INFO] [stdout]      |
[INFO] [stdout] 1648 | /         env.define("stat".to_string(),
[INFO] [stdout] 1649 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1650 | |                 name: "stat".to_string(),
[INFO] [stdout] 1651 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1670 | |             })),
[INFO] [stdout] 1671 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1648 |         let _ = env.define("stat".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1673:9
[INFO] [stdout]      |
[INFO] [stdout] 1673 | /         env.define("basename".to_string(),
[INFO] [stdout] 1674 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1675 | |                 name: "basename".to_string(),
[INFO] [stdout] 1676 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1684 | |             })),
[INFO] [stdout] 1685 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1673 |         let _ = env.define("basename".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1687:9
[INFO] [stdout]      |
[INFO] [stdout] 1687 | /         env.define("dirname".to_string(),
[INFO] [stdout] 1688 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1689 | |                 name: "dirname".to_string(),
[INFO] [stdout] 1690 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1698 | |             })),
[INFO] [stdout] 1699 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1687 |         let _ = env.define("dirname".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1701:9
[INFO] [stdout]      |
[INFO] [stdout] 1701 | /         env.define("extname".to_string(),
[INFO] [stdout] 1702 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1703 | |                 name: "extname".to_string(),
[INFO] [stdout] 1704 | |                 params: vec!["path".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1712 | |             })),
[INFO] [stdout] 1713 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1701 |         let _ = env.define("extname".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1715:9
[INFO] [stdout]      |
[INFO] [stdout] 1715 | /         env.define("joinpath".to_string(),
[INFO] [stdout] 1716 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1717 | |                 name: "joinpath".to_string(),
[INFO] [stdout] 1718 | |                 params: vec!["parts".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1735 | |             })),
[INFO] [stdout] 1736 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1715 |         let _ = env.define("joinpath".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1738:9
[INFO] [stdout]      |
[INFO] [stdout] 1738 | /         env.define("cwd".to_string(),
[INFO] [stdout] 1739 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1740 | |                 name: "cwd".to_string(),
[INFO] [stdout] 1741 | |                 params: vec![],
[INFO] [stdout] ...    |
[INFO] [stdout] 1749 | |             })),
[INFO] [stdout] 1750 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1738 |         let _ = env.define("cwd".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1752:9
[INFO] [stdout]      |
[INFO] [stdout] 1752 | /         env.define("platform".to_string(),
[INFO] [stdout] 1753 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1754 | |                 name: "platform".to_string(),
[INFO] [stdout] 1755 | |                 params: vec![],
[INFO] [stdout] ...    |
[INFO] [stdout] 1768 | |             })),
[INFO] [stdout] 1769 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1752 |         let _ = env.define("platform".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1771:9
[INFO] [stdout]      |
[INFO] [stdout] 1771 | /         env.define("now".to_string(),
[INFO] [stdout] 1772 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1773 | |                 name: "now".to_string(),
[INFO] [stdout] 1774 | |                 params: vec![],
[INFO] [stdout] ...    |
[INFO] [stdout] 1779 | |             })),
[INFO] [stdout] 1780 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1771 |         let _ = env.define("now".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1782:9
[INFO] [stdout]      |
[INFO] [stdout] 1782 | /         env.define("format_time".to_string(),
[INFO] [stdout] 1783 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1784 | |                 name: "format_time".to_string(),
[INFO] [stdout] 1785 | |                 params: vec!["timestamp".to_string(), "format".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1800 | |             })),
[INFO] [stdout] 1801 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1782 |         let _ = env.define("format_time".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1803:9
[INFO] [stdout]      |
[INFO] [stdout] 1803 | /         env.define("parse_time".to_string(),
[INFO] [stdout] 1804 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1805 | |                 name: "parse_time".to_string(),
[INFO] [stdout] 1806 | |                 params: vec!["time_str".to_string(), "format".to_string()],
[INFO] [stdout] ...    |
[INFO] [stdout] 1820 | |             })),
[INFO] [stdout] 1821 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1803 |         let _ = env.define("parse_time".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1823:9
[INFO] [stdout]      |
[INFO] [stdout] 1823 | /         env.define("uptime".to_string(),
[INFO] [stdout] 1824 | |             Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1825 | |                 name: "uptime".to_string(),
[INFO] [stdout] 1826 | |                 params: vec![],
[INFO] [stdout] ...    |
[INFO] [stdout] 1842 | |             })),
[INFO] [stdout] 1843 | |         );
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1823 |         let _ = env.define("uptime".to_string(),
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1845:9
[INFO] [stdout]      |
[INFO] [stdout] 1845 | /         env.define("async".to_string(), Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1846 | |             name: "async".to_string(),
[INFO] [stdout] 1847 | |             params: vec!["fn".to_string()],
[INFO] [stdout] 1848 | |             func: NativeFn::from(|args, env| {
[INFO] [stdout] ...    |
[INFO] [stdout] 1862 | |             }),
[INFO] [stdout] 1863 | |         })));
[INFO] [stdout]      | |____________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1845 |         let _ = env.define("async".to_string(), Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1866:9
[INFO] [stdout]      |
[INFO] [stdout] 1866 | /         env.define("await".to_string(), Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1867 | |             name: "await".to_string(),
[INFO] [stdout] 1868 | |             params: vec!["promise".to_string()],
[INFO] [stdout] 1869 | |             func: NativeFn::from(|args, _env| {
[INFO] [stdout] ...    |
[INFO] [stdout] 1879 | |             }),
[INFO] [stdout] 1880 | |         })));
[INFO] [stdout]      | |____________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1866 |         let _ = env.define("await".to_string(), Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1883:9
[INFO] [stdout]      |
[INFO] [stdout] 1883 | /         env.define("spawn".to_string(), Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout] 1884 | |             name: "spawn".to_string(),
[INFO] [stdout] 1885 | |             params: vec!["fn".to_string()],
[INFO] [stdout] 1886 | |             func: NativeFn::from(|args, env| {
[INFO] [stdout] ...    |
[INFO] [stdout] 1898 | |             }),
[INFO] [stdout] 1899 | |         })));
[INFO] [stdout]      | |____________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1883 |         let _ = env.define("spawn".to_string(), Value::Function(Arc::new(FunctionValue::Native {
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/environment.rs:1972:9
[INFO] [stdout]      |
[INFO] [stdout] 1972 |         env.lock().unwrap().drop_(&*s, Default::default());
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1972 |         let _ = env.lock().unwrap().drop_(&*s, Default::default());
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:1098:21
[INFO] [stdout]      |
[INFO] [stdout] 1098 |                     local_env.define(param.clone(), arg); 
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1098 |                     let _ = local_env.define(param.clone(), arg); 
[INFO] [stdout]      |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:1400:25
[INFO] [stdout]      |
[INFO] [stdout] 1400 |                         self.env.lock().unwrap().define(name, Value::Command(cmd));
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1400 |                         let _ = self.env.lock().unwrap().define(name, Value::Command(cmd));
[INFO] [stdout]      |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:1418:21
[INFO] [stdout]      |
[INFO] [stdout] 1418 | /                     match self.env.lock().unwrap().define(name, val) {
[INFO] [stdout] 1419 | |                         Ok(_) => {Ok::<(),RuntimeError>(())}
[INFO] [stdout] 1420 | |                         Err(x) => {
[INFO] [stdout] 1421 | |                             return Err(RuntimeError::ExecutionFailed(x.to_string(),span.clone()))
[INFO] [stdout] 1422 | |                         }
[INFO] [stdout] 1423 | |                     };
[INFO] [stdout]      | |_____________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1418 |                     let _ = match self.env.lock().unwrap().define(name, val) {
[INFO] [stdout]      |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:1545:29
[INFO] [stdout]      |
[INFO] [stdout] 1545 | / ...                   match self.env.lock().unwrap().define(var.clone(), item.clone()) {
[INFO] [stdout] 1546 | | ...                       Ok(_) => {Ok::<(),RuntimeError>(())}
[INFO] [stdout] 1547 | | ...                       Err(x) => {
[INFO] [stdout] 1548 | | ...                           return Err(RuntimeError::ExecutionFailed(x.to_string(),span.clone()))
[INFO] [stdout] 1549 | | ...                       }
[INFO] [stdout] 1550 | | ...                   };
[INFO] [stdout]      | |_______________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1545 |                             let _ = match self.env.lock().unwrap().define(var.clone(), item.clone()) {
[INFO] [stdout]      |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:1600:25
[INFO] [stdout]      |
[INFO] [stdout] 1600 | /                         match define {
[INFO] [stdout] 1601 | |                             Ok(_) => {Ok::<(),RuntimeError>(())}
[INFO] [stdout] 1602 | |                             Err(x) => {
[INFO] [stdout] 1603 | |                                 return Err(RuntimeError::ExecutionFailed(x.to_string(),span.clone()))
[INFO] [stdout] 1604 | |                             }
[INFO] [stdout] 1605 | |                         };
[INFO] [stdout]      | |_________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1600 |                         let _ = match define {
[INFO] [stdout]      |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:1627:25
[INFO] [stdout]      |
[INFO] [stdout] 1627 | /                         match define {
[INFO] [stdout] 1628 | |                             Ok(_) => {Ok::<(),RuntimeError>(())}
[INFO] [stdout] 1629 | |                             Err(x) => {
[INFO] [stdout] 1630 | |                                 return Err(RuntimeError::ExecutionFailed(x.to_string(),span.clone()))
[INFO] [stdout] 1631 | |                             }
[INFO] [stdout] 1632 | |                         };
[INFO] [stdout]      | |_________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1627 |                         let _ = match define {
[INFO] [stdout]      |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:1980:21
[INFO] [stdout]      |
[INFO] [stdout] 1980 | /                     match define {
[INFO] [stdout] 1981 | |                         Ok(_) => {Ok::<(),RuntimeError>(())}
[INFO] [stdout] 1982 | |                         Err(x) => {
[INFO] [stdout] 1983 | |                             return Err(RuntimeError::ExecutionFailed(x.to_string(),span.clone()))
[INFO] [stdout] 1984 | |                         }
[INFO] [stdout] 1985 | |                     };
[INFO] [stdout]      | |_____________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1980 |                     let _ = match define {
[INFO] [stdout]      |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:2029:29
[INFO] [stdout]      |
[INFO] [stdout] 2029 | / ...                   match define {
[INFO] [stdout] 2030 | | ...                       Ok(_) => {Ok::<(),RuntimeError>(())}
[INFO] [stdout] 2031 | | ...                       Err(x) => {
[INFO] [stdout] 2032 | | ...                           return Err(RuntimeError::ExecutionFailed(x.to_string(),span.clone()))
[INFO] [stdout] 2033 | | ...                       }
[INFO] [stdout] 2034 | | ...                   };
[INFO] [stdout]      | |_______________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 2029 |                             let _ = match define {
[INFO] [stdout]      |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:2041:33
[INFO] [stdout]      |
[INFO] [stdout] 2041 | / ...                   match define {
[INFO] [stdout] 2042 | | ...                       Ok(_) => {Ok::<(),RuntimeError>(())}
[INFO] [stdout] 2043 | | ...                       Err(x) => {
[INFO] [stdout] 2044 | | ...                           return Err(RuntimeError::ExecutionFailed(x.to_string(),span.clone()))
[INFO] [stdout] 2045 | | ...                       }
[INFO] [stdout] 2046 | | ...                   };
[INFO] [stdout]      | |_______________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 2041 |                                 let _ = match define {
[INFO] [stdout]      |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:2053:29
[INFO] [stdout]      |
[INFO] [stdout] 2053 | / ...                   match define {
[INFO] [stdout] 2054 | | ...                       Ok(_) => {Ok::<(),RuntimeError>(())}
[INFO] [stdout] 2055 | | ...                       Err(x) => {
[INFO] [stdout] 2056 | | ...                           return Err(RuntimeError::ExecutionFailed(x.to_string(),span.clone()))
[INFO] [stdout] 2057 | | ...                       }
[INFO] [stdout] 2058 | | ...                   };
[INFO] [stdout]      | |_______________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 2053 |                             let _ = match define {
[INFO] [stdout]      |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:2069:25
[INFO] [stdout]      |
[INFO] [stdout] 2069 |                         self.env.lock().unwrap().define(name, val.clone());
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 2069 |                         let _ = self.env.lock().unwrap().define(name, val.clone());
[INFO] [stdout]      |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:2080:25
[INFO] [stdout]      |
[INFO] [stdout] 2080 | /                         match define {
[INFO] [stdout] 2081 | |                             Ok(_) => {Ok::<(),RuntimeError>(())}
[INFO] [stdout] 2082 | |                             Err(x) => {
[INFO] [stdout] 2083 | |                                 return Err(RuntimeError::ExecutionFailed(x.to_string(),span.clone()))
[INFO] [stdout] 2084 | |                             }
[INFO] [stdout] 2085 | |                         };
[INFO] [stdout]      | |_________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 2080 |                         let _ = match define {
[INFO] [stdout]      |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/interptreter.rs:2839:29
[INFO] [stdout]      |
[INFO] [stdout] 2839 | / ...                   match define {
[INFO] [stdout] 2840 | | ...                       Ok(_) => {Ok::<(),RuntimeError>(())}
[INFO] [stdout] 2841 | | ...                       Err(x) => {
[INFO] [stdout] 2842 | | ...                           return Err(RuntimeError::ExecutionFailed(x.to_string(),span.clone()))
[INFO] [stdout] 2843 | | ...                       }
[INFO] [stdout] 2844 | | ...                   };
[INFO] [stdout]      | |_______________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 2839 |                             let _ = match define {
[INFO] [stdout]      |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.47s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "c7ac0fe9c7bf6ffcf77a870a1f7da999ad82fc5a3da657182f550aa22aabaa16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ac0fe9c7bf6ffcf77a870a1f7da999ad82fc5a3da657182f550aa22aabaa16", kill_on_drop: false }`
[INFO] [stdout] c7ac0fe9c7bf6ffcf77a870a1f7da999ad82fc5a3da657182f550aa22aabaa16
